Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018	Feb. 02, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net income			$ 151,942	$ 108,481
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	$ 23,435	$ 22,995	75,945	64,934
Non-cash operating lease cost			48,855	51,095
Asset impairments			1,660	5,337
Asset held for sale gain			(1,529)
Amortization of debt discount			33,528	29,669
Accretion of debt discount upon settlement of debt			(70,482)
Stock-based compensation expense	5,100	3,700	16,109	17,777
Non-cash finance lease interest expense	5,678	4,843	16,864	11,254
Product recalls			(3,516)
Net non-cash charges resulting from inventory step-up				380
Deferred income taxes			667	(670)
Loss on extinguishment of debt-net	6,857		5,903	917
Other non-cash interest expense			3,306	2,648
Change in assets and liabilities:
Accounts receivable			(2,809)	(11,098)
Merchandise inventories			102,788	(39,815)
Prepaid expense and other assets			42,178	(51,614)
Landlord assets under construction-net of tenant allowances			(49,387)	(39,605)
Accounts payable and accrued expenses			(41,474)	(11,529)
Deferred revenue and customer deposits			14,406	20,893
Other current liabilities			(53,016)	9,238
Current and non-current operating lease liability			(61,887)	(57,806)
Other non-current obligations			(19,054)	(13,770)
Net cash provided by operating activities			210,997	96,716
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures			(64,614)	(73,278)
Deposit on asset under construction			(30,000)
Proceeds from sale of assets			24,078
Net cash used in investing activities			(70,536)	(73,278)
CASH FLOWS FROM FINANCING ACTIVITIES
Borrowings under promissory and equipment security notes			99,000
Repayments under promissory and equipment security notes			(10,280)	(31,974)
Debt issuance costs			(4,636)
Proceeds from issuance of convertible senior notes			350,000	335,000
Purchase of convertible note hedges			(91,350)	(91,857)
Principal payments under finance leases			(7,136)	(4,937)
Repurchases of common stock-including commissions			(250,032)	(145,182)
Proceeds from exercise of stock options			18,509	35,827
Tax withholdings related to issuance of stock-based awards			(6,538)	(8,947)
Payments under promissory notes related to share repurchases			(892)
Net cash used in financing activities			(108,008)	(39,868)
Effects of foreign currency exchange rate translation			(3)	(136)
Net increase (decrease) in cash and cash equivalents and restricted cash equivalents			32,450	(16,566)
Cash and cash equivalents and restricted cash equivalents
Beginning of period-cash and cash equivalents			5,803	17,907	$ 17,907
Beginning of period-restricted cash equivalents (construction related deposits)				7,407	7,407
Beginning of period-cash and cash equivalents and restricted cash equivalents			5,803	25,314	25,314
End of period-cash and cash equivalents	38,253	7,755	38,253	7,755	5,803
End of period-restricted cash equivalents (construction related deposits)		993		993
End of period-cash and cash equivalents and restricted cash equivalents	$ 38,253	$ 8,748	38,253	8,748	$ 5,803
Non-cash transactions:
Property and equipment additions in accounts payable and accrued expenses at period-end			11,859	11,591
Landlord asset additions in accounts payable and accrued expenses at period-end			20,475	16,120
Landlord asset additions from unpaid construction related deposits			195	809
Reclassification of assets from landlord assets under construction to finance lease right-of-use assets				73,275
Issuance of non-current notes payable related to share repurchases from former employees				243
Senior notes.
CASH FLOWS FROM FINANCING ACTIVITIES
Debt issuance costs			(4,818)	(6,349)
Proceeds from issuance of warrants			50,225	51,021
Repayments of convertible senior notes			(278,560)
Asset based credit facility
CASH FLOWS FROM FINANCING ACTIVITIES
Borrowings			322,500	656,000
Repayments			(380,000)	(748,470)
Term Loan
CASH FLOWS FROM FINANCING ACTIVITIES
Borrowings			320,000
Repayments			$ (234,000)	$ (80,000)