UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in-Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings
Balance at beginning of period (in shares) at Feb. 02, 2019		658,514
Balance at beginning of period at Feb. 02, 2019	$ 7,306,410	$ 1,317	$ 6,188,598	$ 0	$ 1,116,495
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common shares in connection with equity incentive plans (in shares)		5,120
Issuance of common shares in connection with equity incentive plans	30,996	$ 11	30,985
Tax withholdings related to net share settlement of restricted stock units	(28,756)		(28,756)
Share-based compensation	59,422		59,422
Repurchase of common stock (in shares)		(2,359)
Repurchase of common stock	(50,023)	$ (5)	(50,018)
Cash dividends declared and paid ($0.06 per share)	(39,467)				(39,467)
Net loss	(48,450)				(48,450)
Balance at end of period (in shares) at May. 04, 2019		661,275
Balance at end of period at May. 04, 2019	$ 7,230,132	$ 1,323	6,200,231	0	1,028,578
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends paid (in dollars per share)	$ 0.06
Cash dividends declared (in dollars per share)	$ 0.06
Balance at beginning of period (in shares) at Feb. 02, 2019		658,514
Balance at beginning of period at Feb. 02, 2019	$ 7,306,410	$ 1,317	6,188,598	0	1,116,495
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(105,781)
Other comprehensive income	0
Balance at end of period (in shares) at Aug. 03, 2019		666,815
Balance at end of period at Aug. 03, 2019	7,203,812	$ 1,334	6,271,120	0	931,358
Balance at beginning of period (in shares) at May. 04, 2019		661,275
Balance at beginning of period at May. 04, 2019	7,230,132	$ 1,323	6,200,231	0	1,028,578
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common shares in connection with equity incentive plans (in shares)		6,167
Issuance of common shares in connection with equity incentive plans	50,506	$ 12	50,494
Tax withholdings related to net share settlement of restricted stock units	(32,881)		(32,881)
Share-based compensation	64,117		64,117
Issuance of warrant for common stock	3,407		3,407
Repurchase of common stock (in shares)		(627)
Repurchase of common stock	(14,249)	$ (1)	(14,248)
Cash dividends declared and paid ($0.06 per share)	(39,889)				(39,889)
Net loss	(57,331)				(57,331)
Other comprehensive income	0
Balance at end of period (in shares) at Aug. 03, 2019		666,815
Balance at end of period at Aug. 03, 2019	$ 7,203,812	$ 1,334	6,271,120	0	931,358
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends paid (in dollars per share)	$ 0.06
Cash dividends declared (in dollars per share)	$ 0.06
Balance at beginning of period (in shares) at Feb. 01, 2020		663,481
Balance at beginning of period at Feb. 01, 2020	$ 8,678,580	$ 1,328	6,135,939	0	2,541,313
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common shares in connection with equity incentive plans (in shares)		2,993
Issuance of common shares in connection with equity incentive plans	5,471	$ 5	5,466
Tax withholdings related to net share settlement of restricted stock units	(31,498)		(31,498)
Share-based compensation	60,199		60,199
Repurchase of common stock (in shares)		(1,251)
Repurchase of common stock	(25,202)	$ (3)	(25,199)
Cash dividends declared and paid ($0.06 per share)	(39,763)				(39,763)
Net loss	(113,033)				(113,033)
Other comprehensive income	868			868
Balance at end of period (in shares) at May. 02, 2020		665,223
Balance at end of period at May. 02, 2020	$ 8,535,622	$ 1,330	6,144,907	868	2,388,517
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends paid (in dollars per share)	$ 0.06
Cash dividends declared (in dollars per share)	$ 0.06
Balance at beginning of period (in shares) at Feb. 01, 2020		663,481
Balance at beginning of period at Feb. 01, 2020	$ 8,678,580	$ 1,328	6,135,939	0	2,541,313
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(270,926)
Other comprehensive income	450
Balance at end of period (in shares) at Aug. 01, 2020		670,017
Balance at end of period at Aug. 01, 2020	8,417,537	$ 1,340	6,225,242	450	2,190,505
Balance at beginning of period (in shares) at May. 02, 2020		665,223
Balance at beginning of period at May. 02, 2020	8,535,622	$ 1,330	6,144,907	868	2,388,517
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common shares in connection with equity incentive plans (in shares)		4,794
Issuance of common shares in connection with equity incentive plans	42,773	$ 10	42,763
Tax withholdings related to net share settlement of restricted stock units	(25,212)		(25,212)
Share-based compensation	62,784		62,784
Cash dividends declared and paid ($0.06 per share)	(40,119)				(40,119)
Net loss	(157,893)				(157,893)
Other comprehensive income	(418)			(418)
Balance at end of period (in shares) at Aug. 01, 2020		670,017
Balance at end of period at Aug. 01, 2020	$ 8,417,537	$ 1,340	$ 6,225,242	$ 450	$ 2,190,505
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends paid (in dollars per share)	$ 0.06
Cash dividends declared (in dollars per share)	$ 0.06