Income Taxes - Schedule of Income Tax Provision (Details) $ in Millions	12 Months Ended
Feb. 02, 2019 USD ($)
Income Tax Disclosure [Abstract]
Net impact on remeasurement of US deferred tax assets and liabilities	$ 64.7
Net impact of reduce US tax rate on income from October 29, 2017 through February 3, 2018	21.5
Net benefit of the TCJ Act	$ 86.2

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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