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Debt Debt Table (Details) - USD ($)
$ in Millions
Feb. 02, 2019
Feb. 03, 2018
Mar. 09, 2016
Sep. 24, 2014
Debt Instrument [Line Items]        
Long-term Debt $ 820.8 $ 817.9    
Long-term Debt, Current Maturities (349.2) 0.0    
Long-term Debt, Excluding Current Maturities 471.6 817.9    
Senior Notes All [Member]        
Debt Instrument [Line Items]        
Debt Issuance Costs, Noncurrent, Net 4.2 7.1    
Unsecured Debt [Member] | Senior Notes 5.5% due 2019 [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Face Amount 350.0 350.0   $ 350.0
Unsecured Debt [Member] | Senior Notes 6.75% due 2021 [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Face Amount $ 475.0 $ 475.0 $ 475.0