Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 150,639	$ 2,180	$ 5,401
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	74,346	70,135	56,995
Goodwill and tradename impairment	32,086	33,700
Assets impairments and lease losses	5,634	6,481	17,137
Product recalls	6,874	7,707	4,615
Net non-cash charges resulting from inventory step-up	380	2,527	6,835
Amortization of purchase premiums and accretion of purchases discount—net		99	1,022
Amortization of debt discount	41,868	30,457	28,822
Excess tax shortfall from exercise of stock options			3,288
Stock-based compensation expense	23,983	50,709	29,214
Loss on extinguishment of debt	917	4,880
Deferred income taxes	263	6,572	(221)
Other non-cash interest expense	4,410	5,325	3,121
Change in assets and liabilities—net of acquisition:
Accounts receivable	(8,883)	2,758	588
Merchandise inventories	(7,399)	220,767	(4,304)
Prepaid expense and other assets	(78,454)	44,252	(35,222)
Accounts payable and accrued expenses	(452)	64,460	(50,307)
Deferred revenue and customer deposits	8,413	3,366	23,977
Other current liabilities	51,215	680	(23,820)
Deferred rent and lease incentives	(1,111)	1,059	4,662
Other non-current obligations	(4,173)	(1,297)	8,709
Net cash provided by operating activities	300,556	556,817	80,512
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(136,736)	(146,194)	(170,031)
Purchase of trademarks and domain names		(39)	(322)
Proceeds from sale of assets held for sale—net		15,123
Purchase of investments		(16,109)	(248,485)
Maturities of investments		46,890	187,338
Sales of investments		145,020	37,096
Acquisition of business—net of cash acquired			(116,100)
Net cash provided by (used in) investing activities	(136,736)	44,691	(310,504)
CASH FLOWS FROM FINANCING ACTIVITIES
Borrowing under promissory and equipment security notes		34,000
Repayments under promissory and equipment security notes	(31,974)	(2,319)
Debt issuance costs		(8,298)
Proceeds from issuance of convertible senior notes	335,000
Proceeds from issuance of warrants	51,021
Purchase of convertible note hedges	(91,857)
Repurchases of common stock—including commissions	(250,000)	(1,000,326)
Borrowing on build-to-suit lease transactions	7,077
Payments on build-to-suit lease transactions	(7,452)	(10,200)
Proceeds from exercise of stock options	44,024	24,896	3,261
Excess tax shortfall from exercise of stock options			(3,288)
Tax withholdings related to issuance of stock-based awards	(9,502)	(5,759)	(1,603)
Other financing activities	(719)	(377)	(611)
Net cash used in financing activities	(183,201)	(691,413)	(2,241)
Effects of foreign currency exchange rate translation	(130)	152	449
Net decrease in cash and cash equivalents and restricted cash equivalents	(19,511)	(89,753)	(231,784)
Cash and cash equivalents
Beginning of period—cash and cash equivalents	17,907	87,023	331,467
Beginning of period—restricted cash equivalents (construction related deposits)	7,407	28,044	15,384
Beginning of period—cash and cash equivalents and restricted cash equivalents	25,314	115,067	346,851
End of period—cash and cash equivalents	5,803	17,907	87,023
End of period—restricted cash equivalents (construction related deposits)		7,407	28,044
End of period—cash and cash equivalents and restricted cash equivalents	5,803	25,314	115,067
Cash paid for interest	31,154	28,180	16,615
Cash paid for taxes	41,289	4,025	48,464
Non-cash transactions:
Property and equipment additions in accounts payable and accrued expenses at period-end	19,978	25,182	9,201
Property and equipment additions due to build-to-suit lease transactions	7,644	35,386	55,991
Property and equipment additions from unpaid construction related deposits	2,807	5,091	3,807
Property and equipment acquired under capital lease	1,534	847	$ 16
Issuance of non-current notes payable related to share repurchases from former employees	243
Property and equipment reduction due to build-to-suit lease transaction termination	(8,143)
Convertible Senior Notes [Member]
CASH FLOWS FROM FINANCING ACTIVITIES
Debt issuance costs	(6,349)
Asset Based Credit Facility [Member]
CASH FLOWS FROM FINANCING ACTIVITIES
Borrowing	866,500	600,000
Repayments	(1,008,970)	(400,030)
Term Loan [Member]
CASH FLOWS FROM FINANCING ACTIVITIES
Borrowing		180,000
Repayments	$ (80,000)	$ (103,000)