Basis of Presentation and Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Property and Equipment
Depreciation expense	$ 317.5	$ 307.2	$ 285.8
Buildings
Property and Equipment
Estimated useful life	40 years
Leasehold improvements | Minimum
Property and Equipment
Estimated useful life	10 years
Leasehold improvements | Maximum
Property and Equipment
Estimated useful life	25 years
Furniture, fixtures and equipment | Minimum
Property and Equipment
Estimated useful life	3 years
Furniture, fixtures and equipment | Maximum
Property and Equipment
Estimated useful life	7 years
Computer software | Minimum
Property and Equipment
Estimated useful life	3 years
Computer software | Maximum
Property and Equipment
Estimated useful life	10 years