v3.20.4
Debt (Term Loan) (Details) - USD ($)
3 Months Ended 9 Months Ended
Aug. 21, 2015
Jan. 31, 2021
Oct. 31, 2020
Nov. 02, 2019
Apr. 28, 2018
Aug. 01, 2020
[1]
Jul. 23, 2020
Debt Instrument [Line Items]              
Repurchase amount     $ 42,000,000.0        
Repurchase purchase price     28,600,000        
Payment for Debt Extinguishment or Debt Prepayment Cost     20,400,000        
Term Loan              
Debt Instrument [Line Items]              
Long-term debt $ 1,800,000,000   1,421,600,000 [1]     $ 1,271,600,000  
Debt instrument, discount percentage 2.00%            
Debt instrument, additional term facility borrowing capacity $ 200,000,000            
Debt instrument, periodic payment     22,500,000   $ 4,500,000    
Debt balloon payment to be paid     1,200,000,000        
Repayment of debt       $ 225,000,000      
Repayments of debt, future     $ 180,000,000.0        
Debt effective interest rate (percent)     6.30%        
Line of Credit Facility, Covenant Terms, Proceeds from Disposition of Assets, Threshold for Repayment     $ 25,000,000        
Term Loan | Eurodollar Borrowings              
Debt Instrument [Line Items]              
Debt effective interest rate (percent)             5.25%
Interest rate spread (basis points) 45000.00%            
Term Loan | Alternative Base Rate Borrowings              
Debt Instrument [Line Items]              
Debt Instrument, Base Rate Floor 17500.00%            
Scenario, Forecast | Term Loan              
Debt Instrument [Line Items]              
Repayments of debt, future   $ 22,500,000          
London Interbank Offered Rate (LIBOR) | Term Loan | Eurodollar Borrowings              
Debt Instrument [Line Items]              
Debt Instrument, Base Rate Floor 7500.00%            
London Interbank Offered Rate (LIBOR) | Term Loan | Alternative Base Rate Borrowings              
Debt Instrument [Line Items]              
Interest rate spread (basis points) 10000.00%            
Debt Instrument, Margin Rate in Addition to Base Rate 35000.00%            
Fed Funds Effective Rate Overnight Index Swap Rate | Term Loan | Alternative Base Rate Borrowings              
Debt Instrument [Line Items]              
Interest rate spread (basis points) 5000.00%            
[1] The October 31, 2020 Term loan balance includes the $150.0 million in New Money DIP Loans related to the DIP Term Credit Agreement which is discussed in Note 2. The outstanding balance of the DIP Term Credit Agreement is $312.3 million.