v3.25.4
Debt - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Sep. 30, 2025
Mar. 19, 2025
Dec. 22, 2024
Feb. 22, 2023
Jan. 22, 2021
Dec. 31, 2020
Debt Instrument [Line Items]                
Debt issuance costs $ (1.5) $ 0.0            
Loss on extinguishment of debt $ (0.9) (0.1)            
Short term borrowing interest rate 6.60%   4.40%          
Loss on extinguishment/modification of debt $ 0.9 0.1            
Notes payable 0.5   $ 13.7          
Interest Rate Contracts                
Debt Instrument [Line Items]                
Fixed interest rate           1.042%    
Notional value $ 500.0           $ 500.0  
Notional value decrease each year         $ 100.0      
Senior Secured Term Loan Facility Due 2032 | Secured Debt                
Debt Instrument [Line Items]                
Stated interest rate of debt 0.25%              
Senior Secured Term Loan Facility Due 2032 | Line of Credit [Member]                
Debt Instrument [Line Items]                
Face amount of debt               $ 760.0
Repayments of Debt $ 90.0 $ 22.0            
Senior Secured Term Loan A Facility, Due 2027 | Secured Debt                
Debt Instrument [Line Items]                
Face amount of debt 2.2              
Revolving Credit Facility                
Debt Instrument [Line Items]                
Amount available remaining 492.4              
Revolving Credit Facility | Credit Agreement, Revolving Facility | Line of Credit [Member]                
Debt Instrument [Line Items]                
Line of credit facility, maximum borrowing capacity       $ 500.0        
Outstanding letters of credit 0.0              
Letter of Credit                
Debt Instrument [Line Items]                
Outstanding letters of credit $ 7.6