Consolidated Statements Of Cash Flows - USD ($)	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 187,176,000	$ 127,261,000	$ 50,301,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	157,000,000	162,223,000	164,061,000
Amortization of debt issuance costs and accretion of original issues discount	5,172,000	6,556,000	8,463,000
Debt extinguishment and refinancing charges	2,167,000	23,602,000	9,788,000
Impairment charges	13,306,000	3,962,000	0
Stock-based compensation expense	18,796,000	57,677,000	9,102,000
Deferred income tax provision (benefit)	10,246,000	(12,314,000)	(35,623,000)
Other non-cash items, net	2,028,000	2,362,000	3,892,000
Increase (decrease) in cash due to changes in:
Accounts receivable	(12,053,000)	(3,976,000)	(24,507,000)
Merchandise inventories	(29,196,000)	(33,168,000)	12,706,000
Prepaid expenses and other current assets	22,169,000	26,338,000	(47,867,000)
Other assets	1,710,000	874,000	967,000
Accounts payable	(20,868,000)	68,884,000	36,081,000
Change in book overdrafts	(12,094,000)	(19,770,000)	7,523,000
Accrued expenses	18,134,000	19,121,000	8,236,000
Other non-current liabilities	(8,550,000)	(2,529,000)	6,962,000
Net cash provided by operating activities	355,143,000	427,103,000	210,085,000
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property and equipment, net of disposals	(196,901,000)	(145,913,000)	(137,466,000)
Proceeds from sale leaseback transaction	21,606,000	0	0
Net cash used in investing activities	(175,295,000)	(145,913,000)	(137,466,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from long term debt	0	0	547,544,000
Payments on long term debt	(14,829,000)	(36,167,000)	(14,437,000)
Paydown of the First Lien Term Loan and extinguishment of Second Lien Term Loan	(200,000,000)	(975,633,000)	0
Proceeds from ABL facility	1,390,000,000	1,587,000,000	1,645,000,000
Payments on ABL facility	(1,301,000,000)	(1,515,000,000)	(1,483,000,000)
Debt issuance costs paid	(21,000)	(982,000)	(24,635,000)
Dividends paid	(25,000)	(25,000)	(735,518,000)
Financing obligations payments	(612,000)
Capital lease obligations payments		(691,000)	(657,000)
Net cash received (paid) from stock option exercises	11,072,000	(14,240,000)	858,000
Net cash received from Employee Stock Purchase Program (ESPP)	1,728,000	0	0
Acquisition of treasury stock/cash paid for share repurchases	(67,305,000)	(19,109,000)	(1,969,000)
Proceeds from Initial Public Offering, net of underwriters' discount and commission	0	690,970,000	0
Payment of Initial Public Offering costs	0	(5,081,000)	0
Proceeds from financing obligations	4,202,000
Other financing activities	0	(40,000)	(2,815,000)
Net cash used in financing activities	(176,790,000)	(288,998,000)	(69,629,000)
Net increase (decrease) in cash and cash equivalents	3,058,000	(7,808,000)	2,990,000
Cash and cash equivalents at beginning of period	27,146,000	34,954,000	31,964,000
Cash and cash equivalents at end of period	30,204,000	27,146,000	34,954,000
Supplemental cash flow information:
Interest paid	96,861,000	152,882,000	152,178,000
Income taxes paid	40,351,000	15,845,000	14,820,000
Non-cash financing and investing activities:
Conversion of contingently redeemable common stock into common stock	0	13,202,000	0
Property additions included in accrued expenses	$ 11,247,000	$ 13,849,000	$ 19,405,000