Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 29, 2022	Jan. 30, 2021	Feb. 01, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 426,652	$ 421,030	$ 187,176
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	180,548	167,454	157,000
Amortization of debt issuance costs and accretion of original issues discount	3,387	4,362	5,172
Debt extinguishment and refinancing charges	657	4,077	2,167
Impairment charges	0	0	13,306
Stock-based compensation expense	53,837	32,150	18,796
Deferred income tax provision (benefit)	(507)	(9,197)	10,246
Changes in operating leases and other non-cash items	9,226	9,389	2,028
Increase (decrease) in cash due to changes in:
Accounts receivable	(1,232)	33,634	(12,053)
Merchandise inventories	(37,240)	(124,193)	(29,196)
Prepaid expenses and other current assets	(9,953)	(3,496)	22,169
Other assets	(4,301)	(1,682)	1,710
Accounts payable	124,709	201,663	(30,468)
Accrued expenses	81,419	97,690	15,640
Other non-current liabilities	4,453	35,665	(8,550)
Net cash provided by operating activities	831,655	868,546	355,143
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property and equipment, net of disposals	(323,591)	(218,333)	(196,901)
Proceeds from sale leaseback transactions	19,080	25,893	21,606
Net cash used in investing activities	(304,511)	(192,440)	(175,295)
CASH FLOWS FROM FINANCING ACTIVITIES
Payments on long term debt	0	(3,297)	(14,829)
Paydown of the First Lien Term Loan and extinguishment of Second Lien Term Loan	(100,000)	(510,000)	(200,000)
Proceeds from ABL facility	0	996,000	1,390,000
Payments on ABL facility	(260,000)	(1,064,000)	(1,301,000)
Debt issuance costs paid	0	0	(21)
Dividends paid	(25)	(25)	(25)
Financing obligations payments	(1,112)	(984)	(612)
Net cash received from stock option exercises	18,713	17,985	11,072
Net cash received from Employee Stock Purchase Program (ESPP)	3,822	2,676	1,728
Acquisition of treasury stock	(194,316)	(106,203)	(67,305)
Proceeds from financing obligations	7,692	5,056	4,202
Net cash used in financing activities	(525,226)	(662,792)	(176,790)
Net increase in cash and cash equivalents	1,918	13,314	3,058
Cash and cash equivalents, beginning of period	43,518	30,204	27,146
Cash and cash equivalents, end of period	45,436	43,518	30,204
Supplemental cash flow information:
Interest paid	45,148	65,274	96,861
Income taxes paid	117,567	154,668	40,351
Non-cash financing and investing activities:
Lease liabilities arising from obtaining right-of-use assets	261,228	154,714	166,602
Property additions included in accrued expenses	$ 29,640	$ 13,131	$ 11,247