XML 157 R63.htm IDEA: XBRL DOCUMENT v3.25.3
Debt - Senior Credit Facilities (Details)
$ in Millions
1 Months Ended 9 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Apr. 30, 2023
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Debt Instrument [Line Items]              
Long-term debt         $ 1,602.0    
Repayment of debt         $ 869.7 $ 22.5  
Senior Notes | Senior Credit Facilities              
Debt Instrument [Line Items]              
EBITDA ratio covenant         3.00    
Senior Notes | Senior Credit Facilities | Minimum              
Debt Instrument [Line Items]              
Debt covenant, consolidated unrestricted cash         $ 5.0    
Leverage ratio covenant         3.75    
Senior Notes | Senior Credit Facilities | Maximum              
Debt Instrument [Line Items]              
Debt covenant, consolidated unrestricted cash         $ 250.0    
Leverage ratio covenant         4.25    
Senior Notes | Term Loan Facility              
Debt Instrument [Line Items]              
Debt term 5 years     5 years      
Maximum borrowing capacity $ 275.0     $ 300.0      
Senior Notes | Term Loan Facility | 2023 Term Loan Facility              
Debt Instrument [Line Items]              
Debt term     5 years        
Long-term debt     $ 300.0   $ 0.0   $ 277.5
Senior Notes | Term Loan Facility | 2024 Term Loan Facility              
Debt Instrument [Line Items]              
Debt term   2 years          
Long-term debt   $ 500.0     0.0   500.0
Senior Notes | Revolving Credit Facility              
Debt Instrument [Line Items]              
Debt term 5 years     5 years      
Maximum borrowing capacity $ 600.0     $ 600.0      
Line of credit increase limit $ 300.0            
Line of credit facility, remaining borrowing capacity         569.6    
Long-term debt         $ 30.4   $ 0.0