v3.20.1
Debt - Senior Notes Table (Details) - USD ($)
$ in Millions
Feb. 01, 2020
Feb. 02, 2019
Mar. 09, 2016
Sep. 24, 2014
Debt Instrument [Line Items]        
Long-term Debt $ 419.8 $ 820.8    
Long-term Debt, Current Maturities 0.0 (349.2)    
Long-term Debt, Excluding Current Maturities 419.8 471.6    
Senior Notes All [Member]        
Debt Instrument [Line Items]        
Debt Issuance Costs, Noncurrent, Net 1.6 4.2    
Unsecured Debt [Member] | Senior Notes 5.5% due 2019 [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Face Amount 0.0 350.0   $ 350.0
Unsecured Debt [Member] | Senior Notes 6.75% due 2021 [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Face Amount $ 421.4 $ 475.0 $ 475.0