XML 96 R79.htm IDEA: XBRL DOCUMENT v3.21.2
DEBT - Credit Facilities (Details)
$ in Millions
Jul. 05, 2018
USD ($)
Sep. 30, 2022
Sep. 30, 2021
USD ($)
Sep. 30, 2020
Sep. 30, 2019
Debt Instrument [Line Items]          
Debt, weighted average interest rate (percentage)     3.70% 4.30% 4.80%
Fifth Amended And Restated Senior Secured Credit Agreement          
Debt Instrument [Line Items]          
Senior secured credit facilities, maximum borrowing capacity $ 2,300.0        
Leverage ratio     2.70    
Interest coverage ratio     10.63    
Restricted payment threshold     4.00    
Restricted payment limitation, years two and thereafter     $ 225.0    
Fifth Amended And Restated Senior Secured Credit Agreement | Minimum          
Debt Instrument [Line Items]          
Interest coverage ratio     3.00    
Credit Facilities          
Debt Instrument [Line Items]          
Senior secured credit facilities, available borrowing capacity     $ 1,480.2    
Credit Facilities | Fifth Amended And Restated Senior Secured Credit Agreement          
Debt Instrument [Line Items]          
Debt, maturity period (in years) 5 years        
Revolving loans          
Debt Instrument [Line Items]          
Debt, weighted average interest rate (percentage)     1.90% 3.30% 4.60%
Letter of Credit | Credit Facilities          
Debt Instrument [Line Items]          
Aggregate face amount of letters of credit outstanding     $ 19.8    
Scenario, Forecast | Fifth Amended And Restated Senior Secured Credit Agreement | Maximum          
Debt Instrument [Line Items]          
Leverage ratio   4.50      
Revolving loans | Fifth Amended And Restated Senior Secured Credit Agreement          
Debt Instrument [Line Items]          
Senior secured credit facilities, maximum borrowing capacity $ 1,500.0        
Secured Term Loan | Fifth Amended And Restated Senior Secured Credit Agreement          
Debt Instrument [Line Items]          
Senior secured credit facilities, maximum borrowing capacity $ 800.0