Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ 29,048	$ (17,996)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	15,978	13,228
Amortization of debt discount	1,576
Excess tax benefit from exercise of stock options	(7,612)	(1,032)
Stock-based compensation expense	6,750	64,282
Deferred income taxes		(13,108)
Amortization of deferred financing fees and debt issuance costs	431	335
Change in assets and liabilities:
Accounts receivable	(2,109)	(5,566)
Merchandise inventories	(93,185)	(53,483)
Prepaid expense and other assets	(22,369)	(18,999)
Accounts payable and accrued expenses	35,581	45,813
Deferred revenue and customer deposits	17,596	15,624
Other current liabilities	(12,542)	1,456
Deferred rent and lease incentives	1,064	764
Other long-term obligations	68	111
Net cash provided by (used in) operating activities	(29,725)	31,429
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(38,800)	(30,616)
Purchase of trademarks	(252)
Net cash used in investing activities	(39,052)	(30,616)
CASH FLOWS FROM FINANCING ACTIVITIES
Gross borrowings under revolving line of credit	749,945	750,376
Gross repayments under revolving line of credit	(835,370)	(745,302)
Proceeds from issuance of convertible senior notes	350,000
Proceeds from issuance of warrants	40,390
Purchase of convertible note hedges	(73,325)
Convertible debt issuance costs	(5,385)
Payments on capital leases	(1,478)	(760)
Proceeds from the exercise of stock options	5,806	695
Excess tax benefit from the exercise of stock options	7,612	1,032
Tax withholdings related to issuance of stock-based awards	(1,306)	(178)
Net cash provided by financing activities	236,889	5,863
Effects of foreign currency exchange rate translation	(8)	(18)
Net increase in cash and cash equivalents	168,104	6,658
Cash and cash equivalents
Beginning of period	13,389	8,354
End of period	181,493	15,012
Non-cash transactions:
Property and equipment acquired under capital lease	38
Property and equipment acquired under build-to-suit lease transactions	17,536	10,122
Property and equipment additions in accounts payable	$ 13,654	$ 14,425