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Credit Facility - Narrative (Details)
Sep. 05, 2018
Sep. 01, 2017
USD ($)
Jul. 31, 2021
Oct. 31, 2019
Sep. 01, 2018
USD ($)
Aug. 31, 2017
USD ($)
Credit Facility            
Debt Instrument [Line Items]            
Line of credit facility, term   5 years        
Weighted average interest rate       4.05%    
Deferred financing costs   $ 18,700,000        
Credit Facility | Minimum            
Debt Instrument [Line Items]            
Fixed charge coverage ratio       1.50    
Credit Facility | Maximum            
Debt Instrument [Line Items]            
Leverage ratio       4.00    
Leverage ratio election option for four fiscal quarters in the event of material acquisition       3.75    
Line of Credit | Credit Facility            
Debt Instrument [Line Items]            
Deferred financing costs   5,200,000        
Term Loan | Credit Facility            
Debt Instrument [Line Items]            
Debt instrument, face amount   800,000,000.0        
Deferred financing costs   $ 13,400,000        
Revolving Credit Facility | Minimum            
Debt Instrument [Line Items]            
Percentage of commitment fee on the unused portion of the Facility   0.20%        
Revolving Credit Facility | Maximum            
Debt Instrument [Line Items]            
Percentage of commitment fee on the unused portion of the Facility   0.35%        
Revolving Credit Facility | Line of Credit | Prior Credit Facility            
Debt Instrument [Line Items]            
Line of credit, borrowing capacity           $ 800,000,000.0
Revolving Credit Facility | Line of Credit | Credit Facility            
Debt Instrument [Line Items]            
Line of credit, borrowing capacity   $ 900,000,000.0        
Borrowing capacity after initial year of term         $ 800,000,000.0  
Standby letters of credit | Credit Facility            
Debt Instrument [Line Items]            
Line of credit, borrowing capacity   300,000,000.0        
Swing Line Loan | Credit Facility            
Debt Instrument [Line Items]            
Line of credit, borrowing capacity   $ 75,000,000.0        
Eurodollar | Credit Facility            
Debt Instrument [Line Items]            
Variable interest rate 0.25%          
Eurodollar | Credit Facility | Minimum            
Debt Instrument [Line Items]            
Variable interest rate   1.00%        
Eurodollar | Credit Facility | Maximum            
Debt Instrument [Line Items]            
Variable interest rate   2.25%        
Base Rate | Credit Facility | Minimum            
Debt Instrument [Line Items]            
Variable interest rate   0.00%        
Base Rate | Credit Facility | Maximum            
Debt Instrument [Line Items]            
Variable interest rate   1.25%        
Forecast | Credit Facility | Maximum            
Debt Instrument [Line Items]            
Leverage ratio     3.50