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Leases - Schedule of Supplementary Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Aug. 01, 2020	May 02, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 103.1		$ 111.9	$ 152.4	$ 229.9
Operating lease right-of-use assets obtained in exchange for lease obligations	12.8		34.3	27.0	40.8
Reduction in the carrying amount of right-of-use assets	84.2		87.9	172.1	175.2
Operating lease ROU asset impairment	$ 8.4	$ 28.5	$ 0.0	$ 36.9	$ 0.0

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Operating Lease, Right-of-Use Asset, Amortization

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 25
-Paragraph 6
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121593497&loc=SL77918431-209957

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
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-Paragraph 5
-Subparagraph (c)
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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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-Publisher FASB
-Name Accounting Standards Codification
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