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Discontinued Operations and Dispositions - Other Significant Operating Items (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 30, 2021
Feb. 01, 2020
Feb. 02, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Capital expenditures $ 60.0 $ 78.5 $ 93.7
Discontinued Operations, Disposed of by Sale | Spring Mobile | Discontinued operations      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Capital expenditures     7.5
Depreciation and amortization     20.1
Provision for inventory reserves     $ 12.7