Leases - Schedule of Supplementary Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended
	May 01, 2021	May 02, 2020
Leases [Abstract]
Operating cash flows from operating leases	$ 128.1	$ 49.3
Operating lease right-of-use assets obtained in exchange for lease obligations	24.6	14.2
Reduction in the carrying amount of right-of-use assets	85.9	87.9
Operating lease ROU asset impairment	$ 0.5	$ 28.5