Description of Business and Basis of Presentation (Details) - USD ($)		3 Months Ended	6 Months Ended
	Apr. 17, 2020	Aug. 01, 2020	Aug. 01, 2020	Feb. 01, 2020	Aug. 03, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Par value	$ 575,000,000	$ 575,000,000.0	$ 575,000,000.0
Proceeds from Convertible Senior Notes, net of purchase of bond hedge, proceeds from warrants, and cash paid for debt issuance costs	$ 500,000,000
Percentage increase in sales		20.10%
Cash and cash equivalents		$ 1,061,141,000	1,061,141,000	$ 69,334,000	$ 116,733,000
Borrowings under Credit Facility		0	0	$ 224,100,000	$ 441,500,000
Employee retention tax credits			16,600,000
Deferred qualified payroll and other tax payments as permitted by the CARES Act		22,400,000	22,400,000
Incremental compensation and safety costs		42,000,000	$ 76,000,000
Recovery on previously written down inventory		$ 28,000,000