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Depreciation and Amortization (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Aug. 03, 2019
Aug. 04, 2018
Aug. 03, 2019
Aug. 04, 2018
Depreciation and Amoritzation [Abstract]        
Other Depreciation and Amortization $ 1.1 $ 2.3 $ 2.0 $ 4.5
Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment, Period Increase (Decrease)     4.1  
Increase (Decrease) in Intangible Assets, Current     $ 16.4