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New Accounting Pronouncements Revenue Recognition ASU (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Aug. 04, 2018
Aug. 04, 2018
May 05, 2018
Feb. 03, 2018
Jul. 29, 2017
New Accounting Pronouncements [Abstract]          
Gift Card Liability, Current $ 10.4 $ 10.4 $ 10.5 $ 11.3 $ 8.6
Gift Card Liability, Revenue Recognized $ 2.0 $ 4.0