Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Nov. 03, 2018	Oct. 28, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 114,512	$ 1,919
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	53,180	51,092
Lease impairment adjustment	4,438
Non-cash charges resulting from inventory step-up	380	2,108
Amortization of debt discount	29,669	22,685
Stock-based compensation expense	17,777	42,929
Loss on extinguishment of debt	917	4,880
Other non-cash interest expense	4,245	4,914
Change in assets and liabilities:
Accounts receivable	(11,398)	(319)
Merchandise inventories	(39,815)	190,620
Prepaid expense and other assets	(52,294)	38,745
Accounts payable and accrued expenses	(23,601)	10,491
Deferred revenue and customer deposits	20,893	20,617
Other current liabilities	11,670	448
Deferred rent and lease incentives	(353)	846
Other non-current obligations	(2,628)	(1,887)
Net cash provided by operating activities	127,592	390,088
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(104,403)	(104,233)
Proceeds from sale of assets held for sale—net		15,123
Purchase of investments		(16,109)
Maturities of investments		46,890
Sales of investments		145,020
Net cash provided by (used in) investing activities	(104,403)	86,691
CASH FLOWS FROM FINANCING ACTIVITIES
Borrowing under promissory and equipment security notes		34,000
Repayments under promissory and equipment security notes	(31,974)	(841)
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	(145,182)	(1,000,326)
Proceeds from exercise of stock options	35,827	15,369
Tax withholdings related to issuance of stock-based awards	(8,947)	(4,881)
Borrowing on build-to-suit financing obligations	3,539
Payments on build-to-suit lease transactions	(7,733)	(8,734)
Payments on capital leases	(494)	(258)
Net cash used in financing activities	(39,619)	(555,969)
Effects of foreign currency exchange rate translation	(136)	22
Net decrease in cash and cash equivalents and restricted cash equivalents	(16,566)	(79,168)
Cash and cash equivalents
Beginning of period—cash and cash equivalents	17,907	87,023
Beginning of period—restricted cash equivalents (construction related deposits)	7,407	28,044
Beginning of period—cash and cash equivalents and restricted cash equivalents	25,314	115,067
End of period—cash and cash equivalents	7,755	22,162
End of period—restricted cash equivalents (construction related deposits)	993	13,737
End of period—cash and cash equivalents and restricted cash equivalents	8,748	35,899
Non-cash transactions:
Property and equipment additions in accounts payable and accrued expenses at period-end	27,711	24,081
Property and equipment additions due to build-to-suit lease transactions	9,312	35,463
Property and equipment acquired under capital lease	1,534	753
Property and equipment additions from unpaid construction related deposits	809	3,478
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	656,000	446,000
Repayments	(748,470)	(105,000)
Term Loan [Member]
CASH FLOWS FROM FINANCING ACTIVITIES
Borrowing		180,000
Repayments	$ (80,000)	$ (103,000)