Leases - Schedule of Supplementary Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020
Leases [Abstract]
Operating cash flows from operating leases	$ 400.4	$ 467.7
Operating lease right-of-use assets obtained in exchange for lease obligations	70.8	149.9
Reduction in the carrying amount of ROU assets	$ 348.3	$ 360.1