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LONG-TERM DEBT - Credit Agreement (Details) - USD ($)
3 Months Ended
Jan. 31, 2018
Jun. 29, 2017
Apr. 30, 2021
Jan. 31, 2023
Jan. 31, 2022
Apr. 09, 2021
Credit Agreement            
Debt Instrument [Line Items]            
Line of credit facility, maximum borrowing capacity   $ 725,000,000        
Credit Agreement | Eurodollar            
Debt Instrument [Line Items]            
Interest rate margin (as a percent)   2.25%        
Credit Agreement | ABR Rate            
Debt Instrument [Line Items]            
Interest rate margin (as a percent)   1.25%        
Term Loan            
Debt Instrument [Line Items]            
Debt face amount   $ 425,000,000        
Long-term debt outstanding     $ 100,000,000 $ 100,000,000 $ 100,000,000  
Unamortized debt discount   500,000     200,000  
Required quarterly principal payment     1,100,000      
Repayments of debt     $ 309,000,000      
Increase to debt issuance costs         $ 1,800,000  
Interest rate at end of period (as a percent)       6.37% 2.10%  
Effective interest rate (as a percent)       6.58%    
Revolving Credit Facility            
Debt Instrument [Line Items]            
Line of credit facility, maximum borrowing capacity   $ 300,000,000       $ 300,000,000
Credit facility outstanding       $ 0 $ 0  
Debt covenant, leverage ratio       4.50    
Prior Revolving Credit Facility            
Debt Instrument [Line Items]            
Increase to debt issuance costs           $ 1,300,000
2018 Amendment | Eurodollar            
Debt Instrument [Line Items]            
Interest rate margin (as a percent) 2.00%          
2018 Amendment | ABR Rate            
Debt Instrument [Line Items]            
Interest rate margin (as a percent) 1.00%