Condensed Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jul. 30, 2011	Jul. 31, 2010
Operating activities:
Net income	$ 2,062	$ 11,882
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,935	9,519
Asset impairment	1,609
Loss on disposal of property and equipment	216	143
Deferred income taxes	79	(617)
Noncash stock-based compensation expense	1,638	1,635
Excess tax benefits from stock-based payment arrangements	(847)	(1,496)
Changes in assets and liabilities:
Inventory	(881)	(6,682)
Prepaid and other current assets	1,798	1,115
Other assets	(21)	(45)
Accounts payable	(6,379)	(3,764)
Accrued expenses and other long-term liabilities	3,135	780
Accrued compensation	780	(332)
Income tax receivable/payable	(2,877)	(4,269)
Layaway deposits	1,225	1,264
Net cash provided by operating activities	13,472	9,133
Investing activities:
Sales/redemptions of investment securities	835	33,025
Purchases of investment securities	(11,012)	(3,148)
Purchases of property and equipment	(23,214)	(18,083)
Net cash (used in) provided by investing activities	(33,391)	11,794
Financing activities:
Excess tax benefits from stock-based payment arrangements	847	1,496
Proceeds from the exercise of stock options	22	216
Cash used to settle withholding taxes on the vesting of nonvested restricted stock	(685)	(996)
Net cash provided by financing activities	184	716
Net (decrease) increase in cash and cash equivalents	(19,735)	21,643
Cash and cash equivalents:
Beginning of period	69,231	62,993
End of period	49,496	84,636
Supplemental disclosures of cash flow information:
Cash paid for income taxes	4,062	11,369
Supplemental disclosures of noncash investing activities:
Increase in accrual for purchases of property and equipment	$ 794	$ 1,222