Income Taxes Income Taxes (Tax Cuts and Jobs Act of 2017) (Details) $ in Millions	3 Months Ended
May 02, 2020 USD ($)
Valuation Allowance [Line Items]
Income Tax Expense Benefit Continuing Operations Discrete Items	$ 90.9

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_ValuationAllowanceLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration