Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012
OPERATING ACTIVITIES:
Net income	$ 13,328	$ 16,369
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	7,446	7,673
Share-based compensation	1,659	1,586
Tax benefit from equity issuance	527	(464)
Excess tax benefit from share-based compensation	(841)	(326)
Deferred income taxes	1,158	2,899
Provision for doubtful accounts	39	122
Lower of cost or market inventory adjustments	880	999
Loss on asset disposals	104	99
Changes in assets and liabilities:
Trade receivables	(3,324)	(3,507)
Merchandise inventories	(49,631)	(56,550)
Other current assets	(5,535)	(7,432)
Other assets	98	(66)
Accounts payable	23,699	26,788
Accrued expenses and other	4,991	11,129
Deferred items and other non-current liabilities	1,335	219
Net cash provided by (used in) operating activities	(4,067)	(462)
INVESTING ACTIVITIES:
Proceeds from sale of property and equipment	4,311	48
Purchases of property and equipment	(15,133)	(8,806)
Net cash provided by (used in) investing activities	(10,822)	(8,758)
FINANCING ACTIVITIES:
Borrowings on line of credit	2,810	3,925
Repayments on line of credit	(2,810)	(3,925)
Proceeds from exercise of stock options	2,855	1,673
Proceeds from sale of common stock pursuant to Associates Stock Buying Plan	383	340
Excess tax benefit from share-based compensation	841	326
Net cash provided by financing activities	4,079	2,339
Effect of exchange rate changes on cash	41	1
NET INCREASE (DECREASE) IN CASH	(10,769)	(6,880)
CASH AT BEGINNING OF PERIOD	56,542	43,966
CASH AT END OF PERIOD	45,773	37,086
Other cash flow information:
Cash paid for interest	146	345
Cash paid for income taxes	579	372
Non-cash investing activities
Property and equipment additions in accounts payable	$ 2,513	$ 463