Leases - Schedule of Supplementary Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Oct. 31, 2020	Aug. 01, 2020	May 02, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 122.1			$ 83.4	$ 274.5	$ 313.3
Operating lease right-of-use assets obtained in exchange for lease obligations	15.0			29.6	42.0	70.4
Reduction in the carrying amount of right-of-use assets	86.8			87.7	258.9	262.9
Operating lease ROU asset impairment	$ 0.0	$ 8.4	$ 28.5	$ 0.0	$ 36.9	$ 0.0

Operating Lease, Right-of-Use Asset, Amortization

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- References

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- Definition

Amount of loss from impairment of right-of-use asset from operating lease.

+ References

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-Publisher FASB
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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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-Publisher FASB
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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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