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Document and Entity Information - shares	6 Months Ended
Document and Entity Information - shares	Jun. 30, 2013	Jul. 24, 2013
Document Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q2
Trading Symbol	BGFV
Entity Registrant Name	BIG 5 SPORTING GOODS CORP
Entity Central Index Key	0001156388
Current Fiscal Year End Date	--12-29
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		22,259,776

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2013	Dec. 30, 2012
Current assets:
Cash and cash equivalents	$ 5,903	$ 7,635
Accounts receivable, net of allowances of $145 and $99, respectively	14,305	15,297
Merchandise inventories, net	293,582	270,350
Prepaid expenses	10,572	8,784
Deferred income taxes	10,481	9,905
Total current assets	334,843	311,971
Property and equipment, net	69,664	72,089
Deferred income taxes	14,164	14,795
Other assets, net of accumulated amortization of $764 and $637, respectively	3,252	3,372
Goodwill	4,433	4,433
Total assets	426,356	406,660
Current liabilities:
Accounts payable	113,309	92,688
Accrued expenses	56,097	67,553
Current portion of capital lease obligations	1,796	1,720
Total current liabilities	171,202	161,961
Deferred rent, less current portion	20,326	21,386
Capital lease obligations, less current portion	2,265	2,855
Long-term debt	44,873	47,461
Other long-term liabilities	9,182	8,577
Total liabilities	247,848	242,240
Commitments and contingencies
Stockholders' equity:
Common stock, $0.01 par value, authorized 50,000,000 shares; issued 24,243,112 and 23,783,084 shares, respectively; outstanding 22,201,276 and 21,741,248 shares, respectively	243	238
Additional paid-in capital	107,519	102,658
Retained earnings	96,686	87,464
Less: Treasury stock, at cost; 2,041,836 shares	(25,940)	(25,940)
Total stockholders' equity	178,508	164,420
Total liabilities and stockholders' equity	$ 426,356	$ 406,660

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2013	Dec. 30, 2012
Statement Of Financial Position [Abstract]
Allowance for doubtful accounts receivable, current	$ 145	$ 99
Accumulated amortization on other assets	$ 764	$ 637
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	24,243,112	23,783,084
Common stock, shares outstanding	22,201,276	21,741,248
Treasury stock, shares	2,041,836	2,041,836

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Income Statement [Abstract]
Net sales	$ 239,899	$ 226,612	$ 486,165	$ 445,108
Cost of sales	160,226	153,536	326,017	304,604
Gross profit	79,673	73,076	160,148	140,504
Selling and administrative expense	69,180	68,591	137,108	135,176
Operating income	10,493	4,485	23,040	5,328
Interest expense	418	576	871	1,176
Income before income taxes	10,075	3,909	22,169	4,152
Income taxes	3,971	1,351	8,551	1,438
Net income	$ 6,104	$ 2,558	$ 13,618	$ 2,714
Earnings per share:
Basic	$ 0.28	$ 0.12	$ 0.63	$ 0.13
Diluted	0.28	0.12	0.62	0.13
Dividends per share	$ 0.100	$ 0.075	$ 0.200	$ 0.150
Weighted-average shares of common stock outstanding:
Basic	21,714	21,424	21,583	21,457
Diluted	22,005	21,539	21,936	21,610

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock, At Cost [Member]
Beginning Balance at Jan. 01, 2012	$ 156,590	$ 235	$ 99,665	$ 79,037	$ (22,347)
Beginning Balance, shares at Jan. 01, 2012		21,890,970
Net income	2,714			2,714
Dividends on common stock	(3,245)			(3,245)
Issuance of nonvested share awards		$ 1	(1)
Issuance of nonvested share awards, shares		145,100
Exercise of share option awards	37		37
Exercise of share option awards, shares		7,750
Share-based compensation	903		903
Tax benefit(deficiency)from share-based awards activity	(208)		(208)
Forfeiture of nonvested share awards, shares		(7,125)
Retirement of common stock for payment of withholding tax	(282)		(282)
Retirement of common stock for payment of withholding tax, shares		(36,011)
Purchases of treasury stock	(2,326)				(2,326)
Purchases of treasury stock, shares		(303,891)
Ending Balance at Jul. 01, 2012	154,183	$ 236	100,114	78,506	(24,673)
Ending Balance, shares at Jul. 01, 2012		21,696,793
Beginning Balance at Dec. 30, 2012	164,420	$ 238	102,658	87,464	(25,940)
Beginning Balance, shares at Dec. 30, 2012		21,741,248
Net income	13,618			13,618
Dividends on common stock	(4,396)			(4,396)
Issuance of nonvested share awards		$ 1	(1)
Issuance of nonvested share awards, shares		127,020
Exercise of share option awards	$ 3,406	$ 4	3,402
Exercise of share option awards, shares	376,020	376,020
Share-based compensation	$ 928		928
Tax benefit(deficiency)from share-based awards activity	1,173		1,173
Forfeiture of nonvested share awards, shares		(1,200)
Retirement of common stock for payment of withholding tax	$ (641)		(641)
Retirement of common stock for payment of withholding tax, shares	(41,812)	(41,812)
Ending Balance at Jun. 30, 2013	$ 178,508	$ 243	$ 107,519	$ 96,686	$ (25,940)
Ending Balance, shares at Jun. 30, 2013		22,201,276

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012
Dividends per share	$ 0.200	$ 0.150
Retained Earnings [Member]
Dividends per share	$ 0.20	$ 0.15

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012
Cash flows from operating activities:
Net income	$ 13,618	$ 2,714
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,739	9,433
Impairment of store assets	0	208
Share-based compensation	928	903
Excess tax benefit related to share-based awards	(1,369)	(3)
Amortization of debt issuance costs	127	127
Deferred income taxes	55	(1,434)
Gain on disposal of property and equipment		(8)
Changes in operating assets and liabilities:
Accounts receivable, net	992	788
Merchandise inventories, net	(23,232)	(25,419)
Prepaid expenses and other assets	(1,795)	(557)
Accounts payable	22,288	29,965
Accrued expenses and other long-term liabilities	(10,943)	(10,273)
Net cash provided by operating activities	10,408	6,444
Cash flows from investing activities:
Purchases of property and equipment	(6,740)	(4,337)
Net cash used in investing activities	(6,740)	(4,337)
Cash flows from financing activities:
Principal borrowings under revolving credit facility	117,463	108,170
Principal payments under revolving credit facility	(120,051)	(100,274)
Changes in book overdraft	(1,570)	(1,925)
Principal payments under capital lease obligations	(908)	(899)
Proceeds from exercise of share option awards	3,406	37
Excess tax benefit related to share-based awards	1,369	3
Payments for share repurchases	(75)	(2,326)
Tax withholding payments for share-based compensation	(641)	(282)
Dividends paid	(4,393)	(3,265)
Net cash used in financing activities	(5,400)	(761)
Net (decrease) increase in cash and cash equivalents	(1,732)	1,346
Cash and cash equivalents at beginning of period	7,635	4,900
Cash and cash equivalents at end of period	5,903	6,246
Supplemental disclosures of non-cash investing and financing activities:
Property and equipment acquired under capital leases	392	1,192
Property and equipment purchases accrued	2,135	1,003
Supplemental disclosures of cash flow information:
Interest paid	732	1,055
Income taxes paid	$ 9,121	$ 193

Description of Business	6 Months Ended
Description of Business	Jun. 30, 2013
Accounting Policies [Abstract]
Description of Business	(1) Description of Business Business Big 5 Sporting Goods Corporation (the “Company”) is a leading sporting goods retailer in the western United States, operating 416 stores in 12 states at June 30, 2013. The Company provides a full-line product offering in a traditional sporting goods store format that averages approximately 11,000 square feet. The Company’s product mix includes athletic shoes, apparel and accessories, as well as a broad selection of outdoor and athletic equipment for team sports, fitness, camping, hunting, fishing, tennis, golf, winter and summer recreation and roller sports. The Company is a holding company that operates as one reportable segment through Big 5 Corp., its wholly-owned subsidiary, and Big 5 Services Corp., which is a wholly-owned subsidiary of Big 5 Corp. Big 5 Services Corp. provides a centralized operation for the issuance and administration of gift cards. The accompanying interim unaudited condensed consolidated financial statements (“Interim Financial Statements”) of the Company and its wholly-owned subsidiaries have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and are presented in accordance with the requirements of Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, these Interim Financial Statements do not include all of the information and notes required by GAAP for complete financial statements. These Interim Financial Statements should be read in conjunction with the consolidated financial statements and notes thereto for the fiscal year ended December 30, 2012 included in the Company’s Annual Report on Form 10-K. In the opinion of management, the Interim Financial Statements included herein contain all adjustments, including normal recurring adjustments, considered necessary to present fairly the Company’s financial position, the results of operations and cash flows for the periods presented. The operating results and cash flows of the interim periods presented herein are not necessarily indicative of the results to be expected for any other interim period or the full year.

Summary of Significant Accounting Policies	6 Months Ended
Summary of Significant Accounting Policies	Jun. 30, 2013
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	(2) Summary of Significant Accounting Policies Consolidation The accompanying Interim Financial Statements include the accounts of Big 5 Sporting Goods Corporation, Big 5 Corp. and Big 5 Services Corp. Intercompany balances and transactions have been eliminated in consolidation. Reporting Period The Company follows the concept of a 52-53 week fiscal year, which ends on the Sunday nearest December 31. Fiscal year 2013 is comprised of 52 weeks and ends on December 29, 2013. Fiscal year 2012 was comprised of 52 weeks and ended on December 30, 2012. The fiscal interim periods in fiscal 2013 and 2012 are each comprised of 13 weeks. Recently Issued Accounting Updates The Company does not expect that any recently issued accounting updates will have a material impact on its Interim Financial Statements. Use of Estimates Management has made a number of estimates and assumptions relating to the reporting of assets, liabilities and stockholders’ equity and the disclosure of contingent assets and liabilities at the date of the Interim Financial Statements and reported amounts of revenue and expense during the reporting period to prepare these Interim Financial Statements in conformity with GAAP. Certain items subject to such estimates and assumptions include the carrying amount of merchandise inventories, property and equipment, and goodwill; valuation allowances for receivables, sales returns and deferred income tax assets; estimates related to gift card breakage and the valuation of share-based compensation awards; and obligations related to asset retirements, litigation, self-insurance liabilities and employee benefits. Actual results could differ significantly from these estimates under different assumptions and conditions. Revenue Recognition The Company earns revenue by selling merchandise primarily through its retail stores. Revenue is recognized when merchandise is sold and delivered to the customer and is shown net of estimated returns during the relevant period. The allowance for sales returns is estimated based upon historical experience. Cash received from the sale of gift cards is recorded as a liability, and revenue is recognized upon the redemption of the gift card or when it is determined that the likelihood of redemption is remote (“gift card breakage”) and no liability to relevant jurisdictions exists. The Company determines the gift card breakage rate based upon historical redemption patterns and recognizes gift card breakage on a straight-line basis over the estimated gift card redemption period (20 quarters as of the end of the second quarter of fiscal 2013). The Company recognized approximately $104,000 and $209,000 in gift card breakage revenue for the 13 and 26 weeks ended June 30, 2013, respectively, compared to approximately $104,000 and $207,000 in gift card breakage revenue for the 13 and 26 weeks ended July 1, 2012, respectively. The Company records sales tax collected from its customers on a net basis, and therefore excludes it from revenue as defined in Accounting Standards Codification (“ASC”) 605, Revenue Recognition. Share-Based Compensation The Company accounts for its share-based compensation in accordance with ASC 718, Compensation—Stock Compensation. The Company recognizes compensation expense on a straight-line basis over the requisite service period using the fair-value method for share option awards, nonvested share awards and nonvested share unit awards granted with service-only conditions. See Note 11 to the Interim Financial Statements for a further discussion on share-based compensation. Valuation of Merchandise Inventories, Net The Company’s merchandise inventories are made up of finished goods and are valued at the lower of cost or market using the weighted-average cost method that approximates the first-in, first-out (“FIFO”) method. Average cost includes the direct purchase price of merchandise inventory, net of certain vendor allowances and cash discounts, in-bound freight-related expense and allocated overhead expense associated with the Company’s distribution center. Management regularly reviews inventories and records valuation reserves for merchandise damage and defective returns, merchandise items with slow-moving or obsolescence exposure and merchandise that has a carrying value that exceeds market value. Because of its merchandise mix, the Company has not historically experienced significant occurrences of obsolescence. Inventory shrinkage is accrued as a percentage of merchandise sales based on historical inventory shrinkage trends. The Company performs physical inventories of its stores at least once per year and cycle counts inventories at its distribution center throughout the year. The reserve for inventory shrinkage represents an estimate for inventory shrinkage for each store since the last physical inventory date through the reporting date. These reserves are estimates, which could vary significantly, either favorably or unfavorably, from actual results if future economic conditions, consumer demand and competitive environments differ from expectations. Valuation of Long-Lived Assets The Company reviews long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Long-lived assets are reviewed for recoverability at the lowest level in which there are identifiable cash flows (“asset group”), usually at the store level. Each store typically requires investments of approximately $0.4 million in long-lived assets to be held and used, subject to recoverability testing. The carrying amount of an asset group is not considered recoverable if it exceeds the sum of the undiscounted cash flows expected to result from the use and eventual disposition of the asset group. If the asset group is determined not to be recoverable, then an impairment charge will be recognized in the amount by which the carrying amount of the asset group exceeds its fair value, determined using discounted cash flow valuation techniques, as defined in ASC 360, Property, Plant, and Equipment. The Company determines the sum of the undiscounted cash flows expected to result from the asset group by projecting future revenue, gross profit and operating expense for each store under consideration for impairment. The estimates of future cash flows involve management judgment and are based upon assumptions about expected future operating performance. Assumptions used in these forecasts are consistent with internal planning, and take into consideration, among other factors, the current economic environment and future expectations, competitive factors in the various markets and inflation. The actual cash flows could differ from management’s estimates due to changes in business conditions, operating performance and economic conditions. Leases and Deferred Rent The Company accounts for its leases under the provisions of ASC 840, Leases. The Company evaluates and classifies its leases as either operating or capital leases for financial reporting purposes. Operating lease commitments consist principally of leases for the Company’s retail store facilities, distribution center and corporate office. Capital lease obligations consist principally of leases for some of the Company’s distribution center delivery tractors, management information systems hardware and point-of-sale equipment for the Company’s stores. Certain of the leases for the Company’s retail store facilities provide for payments based on future sales volumes at the leased location, which are not measurable at the inception of the lease. These contingent rents are expensed as they accrue. Deferred rent represents the difference between rent paid and the amounts expensed for operating leases. Certain leases have scheduled rent increases, and certain leases include an initial period of free or reduced rent as an inducement to enter into the lease agreement (“rent holidays”). The Company recognizes rent expense for rent increases and rent holidays on a straight-line basis over the term of the underlying leases, without regard to when rent payments are made. The calculation of straight-line rent is based on the “reasonably assured” lease term as defined in ASC 840 and may exceed the initial non-cancelable lease term. Landlord allowances for tenant improvements, or lease incentives, are recorded as deferred rent and amortized on a straight-line basis over the “reasonably assured” lease term as a component of rent expense.

Impairment of Long-Lived Assets	6 Months Ended
Impairment of Long-Lived Assets	Jun. 30, 2013
Goodwill And Intangible Assets Disclosure [Abstract]
Impairment of Long-Lived Assets	(3) Impairment of Long-Lived Assets Long-lived assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. While no impairment charges were recognized in fiscal 2013, the Company recognized pre-tax non-cash impairment charges of $0.2 million related to certain underperforming stores in the second quarter of fiscal 2012. The weak sales performance, coupled with future undiscounted cash flow projections, indicated that the carrying value of these stores’ assets exceeded their estimated fair values as determined by their future discounted cash flow projections. When projecting the stream of future cash flows associated with an individual store for purposes of determining long-lived asset recoverability, management makes assumptions, incorporating local market conditions, about key store variables including sales growth rates, gross profit and operating expenses. If economic conditions deteriorate in the markets in which the Company conducts business, or if other negative market conditions develop, the Company may experience additional impairment charges in the future for underperforming stores. These impairment charges are included in selling and administrative expense in the second quarter of fiscal 2012 in the interim unaudited condensed consolidated statements of operations.

Store Closing Costs

6 Months Ended

Jun. 30, 2013

Restructuring And Related Activities [Abstract]

Store Closing Costs

(4) Store Closing Costs

The Company closed four underperforming stores in fiscal 2012, which were not relocated. The store closing costs primarily consist of remaining lease rental payments related to non-cancelable leases that expire in fiscal 2014. The following table summarizes the activity of the Company’s store closing reserves:


	Severance Costs		Lease Termination Costs			Other Associated Costs			Total
	(In thousands)
Balance at December 30, 2012	$	—	$	818		$	—		$	818
Store closing costs		—		(2	)		19			17
Payments		—		(281	)		(19	)		(300	)

Balance at June 30, 2013	$	—	$	535		$	—		$	535

The Company recorded $17,000 of expense related to the closure of these underperforming stores in the first half of fiscal 2013, and has incurred $1.2 million of expense to date since initially recording such store closing costs in the second quarter of fiscal 2012. This expense is reflected as part of selling and administrative expense in the accompanying interim unaudited condensed consolidated statement of operations. There were no closures of underperforming stores in the first half of fiscal 2013.

The current portion of accrued store closing costs is recorded in accrued expenses and the noncurrent portion is recorded in other long-term liabilities in the accompanying interim unaudited condensed consolidated balance sheet.

- Definition

The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.

+ References + Details

Fair Value Measurements	6 Months Ended
Fair Value Measurements	Jun. 30, 2013
Fair Value Disclosures [Abstract]
Fair Value Measurements	(5) Fair Value Measurements The carrying values of cash and cash equivalents, accounts receivable, accounts payable and accrued expenses approximate the fair values of these instruments due to their short-term nature. The carrying amount for borrowings under the revolving credit facility approximates fair value because of the variable market interest rate charged to the Company for these borrowings. When the Company recognizes impairment on certain of its underperforming stores, the carrying values of these stores are reduced to their estimated fair values. The carrying values of the remaining assets of these stores are not material.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13504-108611

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15B
-Subparagraph a, b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44A, 44B
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 17-22, 27, 28
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15A
-Subparagraph a-d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15C, 15D
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32, 33, 34
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 3, 10, 14, 15
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Accrued Expenses

6 Months Ended

Jun. 30, 2013

Payables And Accruals [Abstract]

Accrued Expenses

(6) Accrued Expenses

The major components of accrued expenses are as follows:


	June 30, 2013		December 30, 2012
	(In thousands)
Payroll and related expense	$	20,954	$	21,383
Occupancy expense		8,766		9,647
Sales tax		5,929		10,214
Advertising		4,488		6,036
Other		15,960		20,273

Accrued expenses	$	56,097	$	67,553

Long-Term Debt

6 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

Long-Term Debt

(7) Long-Term Debt

On October 18, 2010, the Company entered into a credit agreement with Wells Fargo Bank, National Association (“Wells Fargo”), as administrative agent, and a syndicate of other lenders, which was amended on October 31, 2011 (as so amended, the “Credit Agreement”). The maturity date of the Credit Agreement is October 31, 2016.

The Credit Agreement provides for a revolving credit facility (the “Credit Facility”) with an aggregate committed availability of up to $140.0 million, which amount may be increased at the Company’s option up to a maximum of $165.0 million. The Company may also request additional increases in aggregate availability, up to a maximum of $200.0 million, in which case the existing lenders under the Credit Agreement will have the option to increase their commitments to accommodate the requested increase. If such existing lenders do not exercise that option, the Company may (with the consent of Wells Fargo, not to be unreasonably withheld) seek other lenders willing to provide such commitments. The Credit Facility includes a $50.0 million sublimit for issuances of letters of credit and a $20.0 million sublimit for swingline loans.

The Company may borrow under the Credit Facility from time to time, provided the amounts outstanding will not exceed the lesser of the then aggregate availability (as discussed above) and the Borrowing Base (such lesser amount being referred to as the “Loan Cap”). The “Borrowing Base” generally is comprised of the sum, at the time of calculation of (a) 90.00% of eligible credit card accounts receivable; plus (b)(i) during the period of September 15 through December 15 of each year, the cost of eligible inventory, net of inventory reserves, multiplied by 90.00% of the appraised net orderly liquidation value of eligible inventory (expressed as a percentage of the cost of eligible inventory), and (ii) at all other times, the cost of eligible inventory, net of inventory reserves, multiplied by 85.00% of the appraised net orderly liquidation value of eligible inventory (expressed as a percentage of the cost of eligible inventory); plus (c) the lesser of (i) the cost of eligible in-transit inventory, net of inventory reserves, multiplied by 85.00% of the appraised net orderly liquidation value of eligible in-transit inventory (expressed as a percentage of the cost of eligible in-transit inventory), or (ii) $10.0 million; minus (d) certain reserves established by Wells Fargo in its role as the Administrative Agent in its reasonable discretion.

Generally, the Company may designate specific borrowings under the Credit Facility as either base rate loans or LIBO rate loans. In each case, the applicable interest rate on the Company’s borrowings will be a function of the daily average, over the preceding fiscal quarter, of the excess of the Loan Cap over amounts outstanding under the Credit Facility (such amount being referred to as the “Average Daily Excess Availability”). Those loans designated as LIBO rate loans shall bear interest at a rate equal to the then applicable LIBO rate plus an applicable margin as shown in the table below. Those loans designated as base rate loans shall bear interest at a rate equal to the applicable margin for base rate loans (as shown below) plus the highest of (a) the Federal funds rate, as in effect from time to time, plus one-half of one percent (0.50%); (b) the LIBO rate, as adjusted to account for statutory reserves, plus one percent (1.00%); or (c) the rate of interest in effect for such day as publicly announced from time to time by Wells Fargo as its “prime rate.” The applicable margin for all loans is as set forth below as a function of Average Daily Excess Availability for the preceding fiscal quarter.


Level	Average Daily Excess Availability	LIBO Rate Applicable Margin			Base Rate Applicable Margin
I	Greater than or equal to $70,000,000		1.50	%		0.50	%
II	Greater than or equal to $40,000,000		1.75	%		0.75	%
III	Less than $40,000,000		2.00	%		1.00	%

The Credit Agreement provides for a commitment fee of 0.375% per annum to be assessed on the unused portion of the Credit Facility.

Obligations under the Credit Facility are secured by a general lien and perfected security interest in substantially all of the Company’s assets. The Credit Agreement contains covenants that require the Company to maintain a fixed charge coverage ratio of not less than 1.0:1.0 in certain circumstances, and limit the ability to, among other things, incur liens, incur additional indebtedness, transfer or dispose of assets, change the nature of the business, guarantee obligations, pay dividends or make other distributions or repurchase stock, and make advances, loans or investments. The Company may declare or pay cash dividends or repurchase stock only if, among other things, no default or event of default then exists or would arise from such dividend or repurchase of stock and, after giving effect to such dividend or repurchase, certain availability and/or fixed charge coverage ratio requirements are satisfied. The Credit Agreement contains customary events of default, including, without limitation, failure to pay when due principal amounts with respect to the Credit Facility, failure to pay any interest or other amounts under the Credit Facility for five days after becoming due, failure to comply with certain agreements or covenants contained in the Credit Agreement, failure to satisfy certain judgments against the Company, failure to pay when due (or any other default which does or may lead to the acceleration of) certain other material indebtedness in principal amount in excess of $5.0 million, and certain insolvency and bankruptcy events.

The Company had long-term revolving credit borrowings of $44.9 million and letter of credit commitments of $4.0 million at June 30, 2013, compared with long-term revolving credit borrowings of $47.5 million and letter of credit commitments of $4.3 million at December 30, 2012. Total remaining borrowing availability, after subtracting letters of credit, was $91.1 million and $88.2 million as of June 30, 2013 and December 30, 2012, respectively.

Income Taxes	6 Months Ended
Income Taxes	Jun. 30, 2013
Income Tax Disclosure [Abstract]
Income Taxes	(8) Income Taxes Under the asset and liability method prescribed under ASC 740, Income Taxes, the Company recognizes deferred tax assets and liabilities for the future tax consequences attributable to differences between financial statement carrying amounts of assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be realized or settled. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income in the period that includes the enactment date. The realizability of deferred tax assets is assessed throughout the year and a valuation allowance is recorded if necessary to reduce net deferred tax assets to the amount more likely than not to be realized. As of June 30, 2013 and December 30, 2012, there was no valuation allowance as the deferred income tax assets were more likely than not to be realized. The Company files a consolidated federal income tax return and files tax returns in various state and local jurisdictions. The statutes of limitations for consolidated federal income tax returns are open for fiscal years 2009 and after, and state and local income tax returns are open for fiscal years 2008 and after. Effective January 2, 2013, The American Taxpayer Relief Act of 2012 was enacted, which contained provisions that retroactively reinstated the work opportunity tax credit (“WOTC”) and the 15 year cost recovery life of qualified leasehold improvements from January 1, 2012 through December 31, 2013. As a result of this legislation, the Company applied WOTC of approximately $0.3 million to its fiscal 2013 first quarter tax provision for amounts generated in 2012, resulting in a reduction to its estimated effective tax rate for the 2013 first quarter of 137 basis points. The Company also increased the 2012 federal depreciation deduction in its fiscal 2013 first quarter tax provision by approximately $2.8 million, which resulted in a balance sheet reclassification reducing deferred tax assets and income taxes payable by approximately $1.1 million. At June 30, 2013 and December 30, 2012, the Company had no unrecognized tax benefits that, if recognized, would affect the Company’s effective income tax rate over the next 12 months. The Company’s policy is to recognize interest accrued related to unrecognized tax benefits in interest expense and penalties in operating expense. At June 30, 2013 and December 30, 2012, the Company had no accrued interest or penalties.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 136, 172
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph h
-Article 4

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43, 44, 45, 46, 47, 48, 49
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Earnings Per Share

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Earnings Per Share

(9) Earnings Per Share

The Company calculates earnings per share in accordance with ASC 260, Earnings Per Share, which requires a dual presentation of basic and diluted earnings per share. Basic earnings per share is calculated by dividing net income by the weighted-average shares of common stock outstanding, reduced by shares repurchased and held in treasury, during the period. Diluted earnings per share represents basic earnings per share adjusted to include the potentially dilutive effect of outstanding share option awards, nonvested share awards and nonvested share unit awards.

The following table sets forth the computation of basic and diluted earnings per common share:


	13 Weeks Ended				26 Weeks Ended
	June 30, 2013		July 1, 2012		June 30, 2013		July 1, 2012
	(In thousands, except per share amounts)
Net income	$	6,104	$	2,558	$	13,618	$	2,714

Weighted-average shares of common stock outstanding:
Basic		21,714		21,424		21,583		21,457
Dilutive effect of common stock equivalents arising from share option, nonvested share and nonvested share unit awards		291		115		353		153

Diluted		22,005		21,539		21,936		21,610

Basic earnings per share	$	0.28	$	0.12	$	0.63	$	0.13

Diluted earnings per share	$	0.28	$	0.12	$	0.62	$	0.13

The computation of diluted earnings per share for the 13 weeks ended June 30, 2013, the 26 weeks ended June 30, 2013, the 13 weeks ended July 1, 2012 and the 26 weeks ended July 1, 2012 does not include share option awards in the amounts of 790,269, 801,895, 1,289,056 and 1,290,873 shares, respectively, that were outstanding and antidilutive (i.e., including such share option awards would result in higher earnings per share), since the exercise prices of these share option awards exceeded the average market price of the Company’s common shares.

Additionally, the computation of diluted earnings per share for the 13 weeks ended June 30, 2013, the 26 weeks ended June 30, 2013 and the 13 weeks ended July 1, 2012 does not include nonvested share awards and nonvested share unit awards in the amounts of 4,945, 2,473 and 321,775 shares, respectively, that were outstanding and antidilutive, since the grant date fair values of these nonvested share awards exceeded the average market price of the Company’s common shares. No nonvested share awards and nonvested share unit awards were antidilutive for the 26 weeks ended July 1, 2012.

Commitments and Contingencies	6 Months Ended
Commitments and Contingencies	Jun. 30, 2013
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies	(10) Commitments and Contingencies The Company was served on the following dates with the following nine complaints, each of which was brought as a purported class action on behalf of persons who made purchases at the Company’s stores in California using credit cards and were requested or required to provide personal identification information at the time of the transaction: (1) on February 22, 2011, a complaint filed in the California Superior Court in the County of Los Angeles, entitled Maria Eugenia Saenz Valiente v. Big 5 Sporting Goods Corporation, et al., Case No. BC455049; (2) on February 22, 2011, a complaint filed in the California Superior Court in the County of Los Angeles, entitled Scott Mossler v. Big 5 Sporting Goods Corporation, et al., Case No. BC455477; (3) on February 28, 2011, a complaint filed in the California Superior Court in the County of Los Angeles, entitled Yelena Matatova v. Big 5 Sporting Goods Corporation, et al., Case No. BC455459; (4) on March 8, 2011, a complaint filed in the California Superior Court in the County of Los Angeles, entitled Neal T. Wiener v. Big 5 Sporting Goods Corporation, et al., Case No. BC456300; (5) on March 22, 2011, a complaint filed in the California Superior Court in the County of San Francisco, entitled Donna Motta v. Big 5 Sporting Goods Corporation, et al., Case No. CGC-11-509228; (6) on March 30, 2011, a complaint filed in the California Superior Court in the County of Alameda, entitled Steve Holmes v. Big 5 Sporting Goods Corporation, et al., Case No. RG11563123; (7) on March 30, 2011, a complaint filed in the California Superior Court in the County of San Francisco, entitled Robin Nelson v. Big 5 Sporting Goods Corporation, et al., Case No. CGC-11-508829; (8) on April 8, 2011, a complaint filed in the California Superior Court in the County of San Joaquin, entitled Pamela B. Smith v. Big 5 Sporting Goods Corporation, et al., Case No. 39-2011-00261014-CU-BT-STK; and (9) on May 31, 2011, a complaint filed in the California Superior Court in the County of Los Angeles, entitled Deena Gabriel v. Big 5 Sporting Goods Corporation, et al., Case No. BC462213. On June 16, 2011, the Judicial Council of California issued an Order Assigning Coordination Trial Judge designating the California Superior Court in the County of Los Angeles as having jurisdiction to coordinate and to hear all nine of the cases as Case No. JCCP4667. On October 21, 2011, the plaintiffs collectively filed a Consolidated Amended Complaint, alleging violations of the California Civil Code, negligence, invasion of privacy and unlawful intrusion. The plaintiffs allege, among other things, that customers making purchases with credit cards at the Company’s stores in California were improperly requested to provide their zip code at the time of such purchases. The plaintiffs seek, on behalf of the class members, the following: statutory penalties; attorneys’ fees; expenses; restitution of property; disgorgement of profits; and injunctive relief. On February 6, 2013, February 19, 2013 and April 2, 2013, the Company and plaintiffs engaged in Mandatory Settlement Conferences conducted by the court in an effort to negotiate a settlement of this litigation. On July 15, 2013, the Company and plaintiffs engaged in mediation conducted by a third party mediator in an effort to negotiate a settlement of this litigation. In connection with the foregoing settlement efforts, the Company received from the plaintiffs an offer to settle this litigation, which the Company is currently considering. Based on the terms of the settlement offer, the Company currently believes that a settlement of this litigation will not have a material negative impact on the Company’s results of operations or financial condition. However, if the plaintiffs and the Company are unable to negotiate a settlement, the Company intends to defend this litigation vigorously. If this litigation were to be resolved unfavorably to the Company, such litigation and the costs of defending it could have a material negative impact on the Company’s results of operations or financial condition. The Company is involved in various other claims and legal actions arising in the ordinary course of business. In the opinion of management, the ultimate disposition of these matters is not expected to have a material adverse effect on the Company’s results of operations or financial condition.

- Definition

The entire disclosure for commitments and contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6449706&loc=d3e16207-108621

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.25)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25287-109308

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 14
-Paragraph 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9, 10, 11, 12
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Share-based Compensation Plans

6 Months Ended

Jun. 30, 2013

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Share-based Compensation Plans

(11) Share-based Compensation

At its discretion, the Company grants share option awards, nonvested share awards and nonvested share unit awards to certain employees, as defined by ASC 718, Compensation—Stock Compensation, under the Company’s 2007 Equity and Performance Incentive Plan, as amended and restated on June 14, 2011 (the “Plan”), and accounts for its share-based compensation in accordance with ASC 718. The Company recognized $0.5 million and $0.9 million in share-based compensation expense for the 13 weeks and 26 weeks ended June 30, 2013, respectively, compared to $0.4 million and $0.9 million in share-based compensation expense for the 13 weeks and 26 weeks ended July 1, 2012, respectively.

Share Option Awards

Share option awards granted by the Company generally vest and become exercisable in four equal annual installments of 25% per year with a maximum life of ten years. The exercise price of the share option awards is equal to the quoted market price of the Company’s common stock on the date of grant. In the 26 weeks ended June 30, 2013 and July 1, 2012, the Company granted 30,500 share option awards and 15,000 share option awards, respectively. The weighted-average grant-date fair value per option for share option awards granted in the 26 weeks ended June 30, 2013 and July 1, 2012 was $8.37 and $2.12, respectively.

A summary of the status of the Company’s share option awards is presented below:


	Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life (In Years)		Aggregate Intrinsic Value
Outstanding at December 30, 2012		1,500,250		$	15.05
Granted		30,500			18.12
Exercised		(376,020	)		9.06
Forfeited or Expired		(39,225	)		11.75

Outstanding at June 30, 2013		1,115,505		$	17.27		3.44	$	6,269,048

Exercisable at June 30, 2013		1,038,880		$	17.66		3.04	$	5,498,086

Vested and Expected to Vest at June 30, 2013		1,114,151		$	17.27		3.43	$	6,257,761

The aggregate intrinsic value in the preceding table represents the total pre-tax intrinsic value, based upon the Company’s closing stock price of $21.95 as of June 30, 2013, which would have been received by the share option award holders had all share option award holders exercised their share option awards as of that date.

The total intrinsic value of share option awards exercised for the 26 weeks ended June 30, 2013 and July 1, 2012 was approximately $3.9 million and $21,000, respectively. The total cash received from employees as a result of employee share option award exercises for the 26 weeks ended June 30, 2013 and July 1, 2012 was approximately $3.4 million and $37,000, respectively. The actual tax benefit realized for the tax deduction from share option award exercises of share-based compensation awards in the 26 weeks ended June 30, 2013 and July 1, 2012 totaled $1.5 million and $7,000, respectively.

The fair value of each share option award on the date of grant is estimated using the Black-Scholes method based on the following weighted-average assumptions:


	13 Weeks Ended						26 Weeks Ended
	June 30, 2013			July 1, 2012			June 30, 2013			July 1, 2012
Risk-free interest rate		1.4	%		1.2	%		1.4	%		1.2	%
Expected term		6.9 years			7.7 years			6.9 years			7.7 years
Expected volatility		57.0	%		53.0	%		57.0	%		53.0	%
Expected dividend yield		2.2	%		4.7	%		2.3	%		4.7	%

The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant for periods corresponding with the expected term of the option award; the expected term represents the weighted-average period of time that option awards granted are expected to be outstanding giving consideration to vesting schedules and historical participant exercise behavior; the expected volatility is based upon historical volatility of the Company’s common stock; and the expected dividend yield is based upon the Company’s current dividend rate and future expectations.

As of June 30, 2013, there was $0.4 million of total unrecognized compensation expense related to nonvested share option awards granted. That expense is expected to be recognized over a weighted-average period of 2.9 years.

Nonvested Share Awards and Nonvested Share Unit Awards

Nonvested share awards and nonvested share unit awards granted by the Company vest from the date of grant in four equal annual installments of 25% per year with a maximum life of ten years. Nonvested share awards are delivered to the recipient upon their vesting. With respect to nonvested share unit awards, vested shares will be delivered to the recipient on the tenth business day of January following the year in which the recipient’s service to the Company is terminated. The total fair value of nonvested share awards which vested during the 26 weeks ended June 30, 2013 and July 1, 2012 was $1.8 million and $0.8 million, respectively.

The Company granted 127,020 and 145,100 nonvested share awards in the 26 weeks ended June 30, 2013 and July 1, 2012, respectively. The weighted-average grant-date fair value per share of the Company’s nonvested share awards granted in the 26 weeks ended June 30, 2013 and July 1, 2012 was $15.56 and $7.79, respectively.

The following table details the Company’s nonvested share awards activity for the 26 weeks ended June 30, 2013:


	Shares			Weighted- Average Grant-Date Fair Value
Balance at December 30, 2012		331,625		$	11.01
Granted		127,020			15.56
Vested		(113,825	)		11.91
Forfeited		(1,200	)		11.50

Balance at June 30, 2013		343,620		$	12.39

To satisfy employee minimum statutory tax withholding requirements for nonvested share awards that vest, the Company withholds and retires a portion of the vesting common shares, unless an employee elects to pay cash. In the 26 weeks ended June 30, 2013, the Company withheld 41,812 common shares with a total value of $0.6 million. This amount is presented as a cash outflow from financing activities in the accompanying interim unaudited condensed consolidated statements of cash flows.

In the 26 weeks ended June 30, 2013 and July 1, 2012, the Company granted 12,000 and 12,000 nonvested share unit awards, respectively. The weighted-average grant-date fair value per share of the Company’s nonvested share unit awards granted in the 26 weeks ended June 30, 2013 and July 1, 2012 was $20.29 and $6.33, respectively. The weighted-average grant-date fair value of nonvested share awards and nonvested share unit awards is the quoted market price of the Company’s common stock on the date of grant.

As of June 30, 2013, there was $3.6 million and $0.3 million of total unrecognized compensation expense related to nonvested share awards and nonvested share unit awards, respectively. That expense is expected to be recognized over a weighted-average period of 2.6 years and 3.2 years for nonvested share awards and nonvested share unit awards, respectively.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 50
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65, A240
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 93-6
-Paragraph 53
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Subsequent Event	6 Months Ended
Subsequent Event	Jun. 30, 2013
Subsequent Events [Abstract]
Subsequent Event	(12) Subsequent Event In the third quarter of fiscal 2013, the Company’s Board of Directors declared a quarterly cash dividend of $0.10 per share of outstanding common stock, which will be paid on September 13, 2013 to stockholders of record as of August 30, 2013.

Summary of Significant Accounting Policies (Policies)	6 Months Ended
Summary of Significant Accounting Policies (Policies)	Jun. 30, 2013
Accounting Policies [Abstract]
Consolidation	Consolidation The accompanying Interim Financial Statements include the accounts of Big 5 Sporting Goods Corporation, Big 5 Corp. and Big 5 Services Corp. Intercompany balances and transactions have been eliminated in consolidation.
Reporting Period	Reporting Period The Company follows the concept of a 52-53 week fiscal year, which ends on the Sunday nearest December 31. Fiscal year 2013 is comprised of 52 weeks and ends on December 29, 2013. Fiscal year 2012 was comprised of 52 weeks and ended on December 30, 2012. The fiscal interim periods in fiscal 2013 and 2012 are each comprised of 13 weeks.
Recently Issued Accounting Updates	Recently Issued Accounting Updates The Company does not expect that any recently issued accounting updates will have a material impact on its Interim Financial Statements.
Use of Estimates	Use of Estimates Management has made a number of estimates and assumptions relating to the reporting of assets, liabilities and stockholders’ equity and the disclosure of contingent assets and liabilities at the date of the Interim Financial Statements and reported amounts of revenue and expense during the reporting period to prepare these Interim Financial Statements in conformity with GAAP. Certain items subject to such estimates and assumptions include the carrying amount of merchandise inventories, property and equipment, and goodwill; valuation allowances for receivables, sales returns and deferred income tax assets; estimates related to gift card breakage and the valuation of share-based compensation awards; and obligations related to asset retirements, litigation, self-insurance liabilities and employee benefits. Actual results could differ significantly from these estimates under different assumptions and conditions.
Revenue Recognition	Revenue Recognition The Company earns revenue by selling merchandise primarily through its retail stores. Revenue is recognized when merchandise is sold and delivered to the customer and is shown net of estimated returns during the relevant period. The allowance for sales returns is estimated based upon historical experience. Cash received from the sale of gift cards is recorded as a liability, and revenue is recognized upon the redemption of the gift card or when it is determined that the likelihood of redemption is remote ("gift card breakage") and no liability to relevant jurisdictions exists. The Company determines the gift card breakage rate based upon historical redemption patterns and recognizes gift card breakage on a straight-line basis over the estimated gift card redemption period (20 quarters as of the end of the second quarter of fiscal 2013). The Company recognized approximately $104,000 and $209,000 in gift card breakage revenue for the 13 and 26 weeks ended June 30, 2013, respectively, compared to approximately $104,000 and $207,000 in gift card breakage revenue for the 13 and 26 weeks ended July 1, 2012, respectively. The Company records sales tax collected from its customers on a net basis, and therefore excludes it from revenue as defined in Accounting Standards Codification ("ASC") 605, Revenue Recognition.
Share-Based Compensation	Share-Based Compensation The Company accounts for its share-based compensation in accordance with ASC 718, Compensation—Stock Compensation. The Company recognizes compensation expense on a straight-line basis over the requisite service period using the fair-value method for share option awards, nonvested share awards and nonvested share unit awards granted with service-only conditions. See Note 11 to the Interim Financial Statements for a further discussion on share-based compensation.
Valuation of Merchandise Inventories, Net	Valuation of Merchandise Inventories, Net The Company’s merchandise inventories are made up of finished goods and are valued at the lower of cost or market using the weighted-average cost method that approximates the first-in, first-out (“FIFO”) method. Average cost includes the direct purchase price of merchandise inventory, net of certain vendor allowances and cash discounts, in-bound freight-related expense and allocated overhead expense associated with the Company’s distribution center. Management regularly reviews inventories and records valuation reserves for merchandise damage and defective returns, merchandise items with slow-moving or obsolescence exposure and merchandise that has a carrying value that exceeds market value. Because of its merchandise mix, the Company has not historically experienced significant occurrences of obsolescence. Inventory shrinkage is accrued as a percentage of merchandise sales based on historical inventory shrinkage trends. The Company performs physical inventories of its stores at least once per year and cycle counts inventories at its distribution center throughout the year. The reserve for inventory shrinkage represents an estimate for inventory shrinkage for each store since the last physical inventory date through the reporting date. These reserves are estimates, which could vary significantly, either favorably or unfavorably, from actual results if future economic conditions, consumer demand and competitive environments differ from expectations.
Valuation of Long-Lived Assets	Valuation of Long-Lived Assets The Company reviews long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Long-lived assets are reviewed for recoverability at the lowest level in which there are identifiable cash flows (“asset group”), usually at the store level. Each store typically requires investments of approximately $0.4 million in long-lived assets to be held and used, subject to recoverability testing. The carrying amount of an asset group is not considered recoverable if it exceeds the sum of the undiscounted cash flows expected to result from the use and eventual disposition of the asset group. If the asset group is determined not to be recoverable, then an impairment charge will be recognized in the amount by which the carrying amount of the asset group exceeds its fair value, determined using discounted cash flow valuation techniques, as defined in ASC 360, Property, Plant, and Equipment. The Company determines the sum of the undiscounted cash flows expected to result from the asset group by projecting future revenue, gross profit and operating expense for each store under consideration for impairment. The estimates of future cash flows involve management judgment and are based upon assumptions about expected future operating performance. Assumptions used in these forecasts are consistent with internal planning, and take into consideration, among other factors, the current economic environment and future expectations, competitive factors in the various markets and inflation. The actual cash flows could differ from management’s estimates due to changes in business conditions, operating performance and economic conditions.
Leases and Deferred Rent	Leases and Deferred Rent The Company accounts for its leases under the provisions of ASC 840, Leases. The Company evaluates and classifies its leases as either operating or capital leases for financial reporting purposes. Operating lease commitments consist principally of leases for the Company’s retail store facilities, distribution center and corporate office. Capital lease obligations consist principally of leases for some of the Company’s distribution center delivery tractors, management information systems hardware and point-of-sale equipment for the Company’s stores. Certain of the leases for the Company’s retail store facilities provide for payments based on future sales volumes at the leased location, which are not measurable at the inception of the lease. These contingent rents are expensed as they accrue. Deferred rent represents the difference between rent paid and the amounts expensed for operating leases. Certain leases have scheduled rent increases, and certain leases include an initial period of free or reduced rent as an inducement to enter into the lease agreement (“rent holidays”). The Company recognizes rent expense for rent increases and rent holidays on a straight-line basis over the term of the underlying leases, without regard to when rent payments are made. The calculation of straight-line rent is based on the “reasonably assured” lease term as defined in ASC 840 and may exceed the initial non-cancelable lease term. Landlord allowances for tenant improvements, or lease incentives, are recorded as deferred rent and amortized on a straight-line basis over the “reasonably assured” lease term as a component of rent expense.

Store Closing Costs (Tables)

6 Months Ended

Jun. 30, 2013

Restructuring And Related Activities [Abstract]

Summary of Store Closing Reserves

The following table summarizes the activity of the Company’s store closing reserves:


	Severance Costs		Lease Termination Costs			Other Associated Costs			Total
	(In thousands)
Balance at December 30, 2012	$	—	$	818		$	—		$	818
Store closing costs		—		(2	)		19			17
Payments		—		(281	)		(19	)		(300	)

Balance at June 30, 2013	$	—	$	535		$	—		$	535

Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2013

Payables And Accruals [Abstract]

Summary of Accrued Expenses

The major components of accrued expenses are as follows:


	June 30, 2013		December 30, 2012
	(In thousands)
Payroll and related expense	$	20,954	$	21,383
Occupancy expense		8,766		9,647
Sales tax		5,929		10,214
Advertising		4,488		6,036
Other		15,960		20,273

Accrued expenses	$	56,097	$	67,553

Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

Average Daily Excess Availability for Preceding Fiscal Quarter

The applicable margin for all loans is as set forth below as a function of Average Daily Excess Availability for the preceding fiscal quarter.


Level	Average Daily Excess Availability	LIBO Rate Applicable Margin	Base Rate Applicable Margin
I	Greater than or equal to $70,000,000	1.50%	0.50%
II	Greater than or equal to $40,000,000	1.75%	0.75%
III	Less than $40,000,000	2.00%	1.00%

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e),(f))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
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-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

+ Details

Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Common Share

The following table sets forth the computation of basic and diluted earnings per common share:


	13 Weeks Ended				26 Weeks Ended
	June 30, 2013		July 1, 2012		June 30, 2013		July 1, 2012
	(In thousands, except per share amounts)
Net income	$	6,104	$	2,558	$	13,618	$	2,714

Weighted-average shares of common stock outstanding:
Basic		21,714		21,424		21,583		21,457
Dilutive effect of common stock equivalents arising from share option, nonvested share and nonvested share unit awards		291		115		353		153

Diluted		22,005		21,539		21,936		21,610

Basic earnings per share	$	0.28	$	0.12	$	0.63	$	0.13

Diluted earnings per share	$	0.28	$	0.12	$	0.62	$	0.13

Share-based Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2013

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Share Option Awards

A summary of the status of the Company’s share option awards is presented below:


	Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life (In Years)		Aggregate Intrinsic Value
Outstanding at December 30, 2012		1,500,250		$	15.05
Granted		30,500			18.12
Exercised		(376,020	)		9.06
Forfeited or Expired		(39,225	)		11.75

Outstanding at June 30, 2013		1,115,505		$	17.27		3.44	$	6,269,048

Exercisable at June 30, 2013		1,038,880		$	17.66		3.04	$	5,498,086

Vested and Expected to Vest at June 30, 2013		1,114,151		$	17.27		3.43	$	6,257,761

Fair Value of Share Option Award Based on Weighted-Average Assumptions

The fair value of each share option award on the date of grant is estimated using the Black-Scholes method based on the following weighted-average assumptions:


	13 Weeks Ended		26 Weeks Ended
	June 30, 2013	July 1, 2012	June 30, 2013	July 1, 2012
Risk-free interest rate	1.4%	1.2%	1.4%	1.2%
Expected term	6.9 years	7.7 years	6.9 years	7.7 years
Expected volatility	57.0%	53.0%	57.0%	53.0%
Expected dividend yield	2.2%	4.7%	2.3%	4.7%

Summary of Nonvested Share Awards Activity

The following table details the Company’s nonvested share awards activity for the 26 weeks ended June 30, 2013:


	Shares			Weighted- Average Grant-Date Fair Value
Balance at December 30, 2012		331,625		$	11.01
Granted		127,020			15.56
Vested		(113,825	)		11.91
Forfeited		(1,200	)		11.50

Balance at June 30, 2013		343,620		$	12.39

Description of Business - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2013 ft² Store State Segment
Background And Business Description [Abstract]
Number of operating stores \| Store	416
Number of states in which store operates \| State	12
Area of traditional sporting goods store \| ft²	11,000
Number of reportable segments \| Segment	1

Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2013 USD ($)	Jul. 01, 2012 USD ($)	Jun. 30, 2013 USD ($) Quarters	Jul. 01, 2012 USD ($)
Accounting Policies [Abstract]
Reporting period, minimum			364 days
Reporting period, maximum			371 days
Interim reporting periods			91 days	91 days
Recognized gift card breakage revenue	$ 104,000	$ 104,000	$ 209,000	$ 207,000
Estimated gift card redemption period \| Quarters			20
Long-lived assets to be held and used	$ 400,000		$ 400,000

Impairment of Long-Lived Assets - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012
Goodwill And Intangible Assets Disclosure [Abstract]
Impairment of store assets	$ 0	$ 208

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 958
-SubTopic 225
-Section 45
-Paragraph 11
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6743430&loc=d3e92212-112881

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Impairment
-URI http://asc.fasb.org/extlink&oid=6515133

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 144
-Paragraph 26
-Subparagraph b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 144
-Paragraph 7, 25
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Store Closing Costs - Additional Information (Detail)	3 Months Ended	6 Months Ended
Store Closing Costs - Additional Information (Detail)	Jun. 30, 2012 USD ($)	Jun. 30, 2013 USD ($) Store
Restructuring Cost and Reserve [Line Items]
Expiration date		2014
Number of stores \| Store		416
Expense related to the closure of underperforming stores \| $		$ 17,000
Expense incurred to date since inception of the liability \| $	$ 1,200,000
Closed Stores [Member]
Restructuring Cost and Reserve [Line Items]
Number of stores \| Store		4

- Definition

The charge against earnings in the period, comprised of costs incurred associated with an exit or disposal activity other than for a discontinued operations as defined under generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References + Details

Store Closing Costs - Summary of Store Closing Reserves (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2013 USD ($)
Restructuring Cost and Reserve [Line Items]
Balance at December 30, 2012	$ 818
Store closing costs	17
Payments	(300)
Balance at June 30, 2013	535
Severance Costs [Member]
Restructuring Cost and Reserve [Line Items]
Balance at December 30, 2012
Store closing costs
Payments
Balance at June 30, 2013
Lease Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Balance at December 30, 2012	818
Store closing costs	(2)
Payments	(281)
Balance at June 30, 2013	535
Other Associated Costs [Member]
Restructuring Cost and Reserve [Line Items]
Balance at December 30, 2012
Store closing costs	19
Payments	(19)
Balance at June 30, 2013

Accrued Expenses - Summary of Accrued Expenses (Detail) - USD ($) $ in Thousands	Jun. 30, 2013	Dec. 30, 2012
Payables And Accruals [Abstract]
Payroll and related expense	$ 20,954	$ 21,383
Occupancy expense	8,766	9,647
Sales tax	5,929	10,214
Advertising	4,488	6,036
Other	15,960	20,273
Accrued expenses	$ 56,097	$ 67,553

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for advertising of the entity's goods and services. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6911-107765

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e7054-107765

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6935-107765

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Current Liabilities
-URI http://asc.fasb.org/extlink&oid=6509677

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Section A
-Paragraph 7
-Chapter 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Section A
-Paragraph 8
-Chapter 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20
-Article 5

+ Details

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References + Details

Long-Term Debt - Additional Information (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2013 USD ($)	Dec. 30, 2012 USD ($)
Debt Instrument [Line Items]
Revolving credit facility	$ 140,000
First tier of increase to the borrowing capacity	165,000
Maximum limit of credit facility	200,000
Sublimit for issuances of letters of credit	50,000
Sublimit for swingline loans	$ 20,000
Percentage of eligible credit card accounts receivable	90.00%
Percentage of the value of eligible in-transit inventory	85.00%
Eligible in-transit inventory threshold	$ 10,000
Interest Rate, Description	The highest of (a) the Federal funds rate, as in effect from time to time, plus one-half of one percent (0.50%); (b) the LIBO rate, as adjusted to account for statutory reserves, plus one percent (1.00%); or (c) the rate of interest in effect for such day as publicly announced from time to time by Wells Fargo as its "prime rate."
Commitment fee assessed	0.375%
Maturity date of the Credit Agreement	Oct. 31, 2016
Fixed charge coverage ratio	1
Debt instrument, covenant description	Obligations under the Credit Facility are secured by a general lien and perfected security interest in substantially all of the Company’s assets. The Credit Agreement contains covenants that require the Company to maintain a fixed charge coverage ratio of not less than 1.0:1.0 in certain circumstances, and limit the ability to, among other things, incur liens, incur additional indebtedness, transfer or dispose of assets, change the nature of the business, guarantee obligations, pay dividends or make other distributions or repurchase stock, and make advances, loans or investments.
Line of Credit Facility default debt minimum amount	$ 5,000
Long-term borrowings	44,873	$ 47,461
Remaining borrowing availability	$ 91,100	88,200
September 15 through December 15 [Member]
Debt Instrument [Line Items]
Percentage of the value of eligible inventory	90.00%
At all other times [Member]
Debt Instrument [Line Items]
Percentage of the value of eligible inventory	85.00%
Revolving credit borrowings [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 44,900	47,500
Letter of credit [Member]
Debt Instrument [Line Items]
Letters of credit	$ 4,000	$ 4,300

Long-Term Debt - Average Daily Excess Availability for Preceding Fiscal Quarter (Detail)	6 Months Ended
	Jun. 30, 2013
Level I [Member]
Line Of Credit Facility Covenant Compliance [Line Items]
Average Daily Excess Availability	Greater than or equal to $70,000,000
LIBO Rate Applicable Margin	1.50%
Base Rate Applicable Margin	0.50%
Level II [Member]
Line Of Credit Facility Covenant Compliance [Line Items]
Average Daily Excess Availability	Greater than or equal to $40,000,000
LIBO Rate Applicable Margin	1.75%
Base Rate Applicable Margin	0.75%
Level III [Member]
Line Of Credit Facility Covenant Compliance [Line Items]
Average Daily Excess Availability	Less than $40,000,000
LIBO Rate Applicable Margin	2.00%
Base Rate Applicable Margin	1.00%

Income Taxes - Additional Information (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2013 USD ($) BasisPoint	Dec. 30, 2012 USD ($)
Income Tax Disclosure [Line Items]
Consolidated federal income tax returns in period	2009
State and local income tax returns in period	2008
Unrecognized tax benefits	$ 0	$ 0
Unrecognized tax benefits, period	over the next 12 months
Accrued interest or penalties	$ 0	$ 0
March 31, 2013 [Member]
Income Tax Disclosure [Line Items]
Expected WOTC	$ 300
Reduction to estimated effective tax rate \| BasisPoint	137
Change in federal depreciation deduction	$ 2,800
Reclassification reducing deferred tax assets and income taxes payable	$ 1,100
Leasehold improvements [Member]
Income Tax Disclosure [Line Items]
Cost recovery life of qualified leasehold improvements	15 years

Earnings Per Share - Computation of Basic and Diluted Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Earnings Per Share [Abstract]
Net income	$ 6,104	$ 2,558	$ 13,618	$ 2,714
Weighted-average shares of common stock outstanding:
Basic	21,714	21,424	21,583	21,457
Dilutive effect of common stock equivalents arising from share option, nonvested share and nonvested share unit awards	291	115	353	153
Diluted	22,005	21,539	21,936	21,610
Basic earnings per share	$ 0.28	$ 0.12	$ 0.63	$ 0.13
Diluted earnings per share	$ 0.28	$ 0.12	$ 0.62	$ 0.13

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.21)
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-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 18
-Article 7

Reference 8: http://www.xbrl.org/2003/role/presentationRef
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-Number 128
-Paragraph 36, 37, 38
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-Number 210
-Section 03
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Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 21
-Article 9

+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References + Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Net Income
-URI http://asc.fasb.org/extlink&oid=6518256

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

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-Name Accounting Standards Codification
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-Topic 225
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-Paragraph 2
-Subparagraph (SX 210.5-03.18)
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Glossary Other Comprehensive Income
-URI http://asc.fasb.org/extlink&oid=6519514

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-Name Accounting Standards Codification
-Topic 220
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-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e565-108580

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-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 38
-Subparagraph d
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-Name Statement of Financial Accounting Standard (FAS)
-Number 130
-Paragraph 10, 15
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-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph A7
-Appendix A

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-Name Emerging Issues Task Force (EITF)
-Number 87-21
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-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 19
-Article 5

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-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 38
-Subparagraph a
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 28, 29, 30
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Reference 16: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 20
-Article 9

+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References + Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Glossary Weighted-Average Number of Common Shares Outstanding
-URI http://asc.fasb.org/extlink&oid=6528421

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-Name Emerging Issues Task Force (EITF)
-Number 07-4
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-Name Statement of Financial Accounting Standard (FAS)
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Earnings Per Share - Additional Information (Detail) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Share option awards activity [Member]
Earnings Per Share [Line Items]
Outstanding and antidilutive awards	790,269	1,289,056	801,895	1,290,873
Nonvested share awards and nonvested share unit awards [Member]
Earnings Per Share [Line Items]
Outstanding and antidilutive awards	4,945	321,775	2,473

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Antidilution
-URI http://asc.fasb.org/extlink&oid=6505113

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Diluted Earnings Per Share
-URI http://asc.fasb.org/extlink&oid=6510752

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Contingent Stock Agreement
-URI http://asc.fasb.org/extlink&oid=6508534

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Name Statement of Financial Accounting Standard (FAS)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Commitments and Contingencies - Additional Information (Detail)	Jun. 30, 2013 Complaints
Commitments And Contingencies Disclosure [Abstract]
Number of complaints	9

Share-based Compensation Plans - Summary of Share Option Awards (Detail)	6 Months Ended
	Jun. 30, 2013 USD ($) $ / shares shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Shares, Outstanding at December 30, 2012 \| shares	1,500,250
Shares, Granted \| shares	30,500
Shares, Exercised \| shares	(376,020)
Shares, Forfeited or Expired \| shares	(39,225)
Shares, Outstanding at June 30, 2013 \| shares	1,115,505
Shares, Exercisable at June 30, 2013 \| shares	1,038,880
Shares, Vested and Expected to Vest at June 30, 2013 \| shares	1,114,151
Weighted-Average Exercise Price, Outstanding at December 30, 2012 \| $ / shares	$ 15.05
Weighted-Average Exercise Price, Granted \| $ / shares	18.12
Weighted-Average Exercise Price, Exercised \| $ / shares	9.06
Weighted-Average Exercise Price, Forfeited or Expired \| $ / shares	11.75
Weighted-Average Exercise Price, Outstanding at June 30, 2013 \| $ / shares	17.27
Weighted-Average Exercise Price, Exercisable at June 30, 2013 \| $ / shares	17.66
Weighted-Average Exercise Price, Vested and Expected to Vest at June 30, 2013 \| $ / shares	$ 17.27
Weighted-Average Remaining Contractual Life (In Years), Outstanding at June 30, 2013	3 years 5 months 9 days
Weighted-Average Remaining Contractual Life (In Years), Exercisable at June 30, 2013	3 years 15 days
Weighted-Average Remaining Contractual Life (In Years), Vested and Expected to Vest at June 30, 2013	3 years 5 months 5 days
Aggregate Intrinsic Value, Outstanding at June 30, 2013 \| $	$ 6,269,048
Aggregate Intrinsic Value, Exercisable at June 30, 2013 \| $	5,498,086
Aggregate Intrinsic Value, Vested and Expected to Vest at June 30, 2013 \| $	$ 6,257,761

Share-based Compensation Plans - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 500	$ 400	$ 900	$ 900
Granted shares			30,500
Shares withheld for tax requirements			41,812
Tax withholding payments for share-based compensation			$ 641	$ 282
Share option awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights (as percentage)	25.00%		25.00%
Maximum expiration period of share based payment awards granted			10 years
Granted shares			30,500	15,000
Weighted-average grant-date fair value per share			$ 8.37	$ 2.12
Intrinsic value of share option awards exercised			$ 3,900	$ 21
Employee share option award exercised			3,400	37
Tax benefit realized from stock options exercised			1,500	7
Unrecognized compensation expense	$ 400		$ 400
Weighted-average period of recognition			2 years 10 months 24 days
Nonvested share awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights (as percentage)	25.00%		25.00%
Maximum expiration period of share based payment awards granted			10 years
Weighted-average period of recognition			2 years 7 months 6 days
Fair value of nonvested share awards			$ 1,800	$ 800
Granted shares			127,020	145,100
Weighted-average grant-date fair value per share			$ 15.56	$ 7.79
Unrecognized compensation expense	$ 3,600		$ 3,600
Nonvested share unit awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average period of recognition			3 years 2 months 12 days
Weighted-average grant-date fair value per share			$ 20.29	$ 6.33
Granted, share units			12,000	12,000
Unrecognized compensation expense	$ 300		$ 300
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Closing stock price	$ 21.95		$ 21.95

Share-based Compensation Plans - Fair Value of Share Option Award Based on Weighted-Average Assumptions (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Risk-free interest rate	1.40%	1.20%	1.40%	1.20%
Expected term	6 years 10 months 24 days	7 years 8 months 12 days	6 years 10 months 24 days	7 years 8 months 12 days
Expected volatility	57.00%	53.00%	57.00%	53.00%
Expected dividend yield	2.20%	4.70%	2.30%	4.70%

Share-based Compensation Plans - Summary of Nonvested Share Awards Activity (Detail) - Nonvested share awards [Member] - $ / shares	6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Nonvested shares, beginning balance	331,625
Granted, shares	127,020	145,100
Vested, Shares	(113,825)
Forfeited, Shares	(1,200)
Nonvested shares, ending balance	343,620
Weighted-Average Grant-Date Fair Value, Beginning Balance	$ 11.01
Weighted-Average Grant-Date Fair Value, Granted	15.56
Weighted-Average Grant-Date Fair Value, Vested	11.91
Weighted-Average Grant-Date Fair Value, Forfeited	11.50
Weighted-Average Grant-Date Fair Value, Ending Balance	$ 12.39

Subsequent Event - Additional Information (Detail) - $ / shares	3 Months Ended			6 Months Ended
	Sep. 29, 2013	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Subsequent Event [Line Items]
Dividend per share		$ 0.100	$ 0.075	$ 0.200	$ 0.150
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividend per share	$ 0.10