Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 28, 2012	Apr. 30, 2011
OPERATING ACTIVITIES
NET INCOME	$ 32,145	$ 28,409
Adjustments to reconcile net income to net cash provided by operating activities:
Loss on extinguishment of debt	0	539
Depreciation and amortization	28,850	29,224
Stock-based compensation expense	4,391	4,160
Amortization of discount on convertible notes	3,411	3,131
Deferred income taxes	15,000	16,918
Impairments and dispositions	(180)	(51)
Excess tax benefits from stock-based compensation	(8,644)	(656)
Gain on sale of property and equipment	0	(156)
Changes in operating assets and liabilities:
Merchandise inventories	(71,630)	(60,829)
Other current assets	(23,674)	(39,917)
Accounts payable and accrued liabilities	20,078	38,401
Other operating assets and liabilities	2,640	2,695
NET CASH PROVIDED BY OPERATING ACTIVITIES	2,387	21,868
INVESTING ACTIVITIES
Purchases of property and equipment	(20,760)	(12,095)
Proceeds from the sale of property and equipment	172	156
NET CASH USED IN INVESTING ACTIVITIES	(20,588)	(11,939)
FINANCING ACTIVITIES
Payments of long-term debt	0	(2,438)
Payments of capital lease obligations	(1,801)	(1,520)
Payment of financing fees	0	(2,961)
Excess tax benefits from stock-based compensation	8,644	656
Net proceeds from the issuance of common stock	214	451
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	7,057	(5,812)
INCREASE IN CASH AND CASH EQUIVALENTS	(11,144)	4,117
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	200,176	197,866
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 189,032	$ 201,983