v3.20.1
Debt - Senior Notes Narrative (Detail) - USD ($)
$ in Millions
12 Months Ended
Apr. 04, 2019
Mar. 10, 2016
Sep. 24, 2014
Feb. 01, 2020
Feb. 02, 2019
Mar. 09, 2016
Debt Instrument [Line Items]            
Debt Instrument, Repurchase Amount       $ 53.6    
Unsecured Debt [Member] | Senior Notes 5.5% due 2019 [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount     $ 350.0 0.0 $ 350.0  
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed 100.00%          
Debt Instrument, Interest Rate, Stated Percentage     5.50%      
Unsecured Debt [Member] | Senior Notes 6.75% due 2021 [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount       $ 421.4 $ 475.0 $ 475.0
Debt Instrument, Interest Rate, Stated Percentage           6.75%
Debt Instrument, Fee Amount           $ 8.1
Unsecured Debt [Member] | Senior Notes All [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Cash Dividend Restriction, Maximum Ratio of Indenture Life-to-date Dividend Paid to Net Income     50.00%      
Debt Instrument, Cash Dividend Restriction, Maximum Ratio of Indenture Life-to-date Dividend Paid to Stock Sale Proceeds     100.00%      
Debt Instrument, Cash Dividend Restriction, Fiscal Year Maximum   $ 175.0        
Debt Instrument, Cash Dividend Restriction, Fixed Charge Coverage Ratio     1.0      
Minimum            
Debt Instrument [Line Items]            
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed       99.60%    
Maximum            
Debt Instrument [Line Items]            
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed       101.50%