v3.26.1
Derivative Financial Instruments and Risk Management - Narrative (Details)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Jan. 03, 2025
USD ($)
instrument
Mar. 31, 2023
USD ($)
May 31, 2020
USD ($)
Mar. 31, 2020
derivative
Derivatives, Fair Value [Line Items]                
Derivative asset $ 23.0     $ 4.0        
Accumulated other comprehensive income (loss) $ (2.0) $ (20.0)            
Cross Currency Swaps Expiring in January 2032                
Derivatives, Fair Value [Line Items]                
Number of foreign currency derivatives held | instrument         5      
Not Designated as Hedging Instrument | Foreign Exchange Contract                
Derivatives, Fair Value [Line Items]                
Derivative, term of contract (less than) 1 year              
Cross currency swap amount $ 597.0              
Cash Flow Hedging | Designated as Hedging Instrument                
Derivatives, Fair Value [Line Items]                
Accumulated other comprehensive income (loss)     $ 20.0          
Cash Flow Hedging | Designated as Hedging Instrument | Forward Starting Interest Rate Swap                
Derivatives, Fair Value [Line Items]                
Cross currency swap amount           $ 200.0 $ 50.0  
Number of derivative instruments held | derivative               4
Fair Value Hedging | Cross Currency Swaps Expiring in June 2030                
Derivatives, Fair Value [Line Items]                
Cross currency swap amount       578.0        
Fair Value Hedging | Cross Currency Swaps Expiring in January 2032                
Derivatives, Fair Value [Line Items]                
Cross currency swap amount         $ 693.0      
Recorded in accumulated other comprehensive income, net of tax 22.0              
Other Liabilities 102.0     117.0        
Fair Value Hedging | Cross Currency Swaps Expiring in June 2029 and 2031                
Derivatives, Fair Value [Line Items]                
Cross currency swap amount 2,000.0              
Recorded in accumulated other comprehensive income, net of tax $ 17.0              
Fair Value Hedging | Cross Currency Swaps Expiring in June 2029                
Derivatives, Fair Value [Line Items]                
Cross currency swap amount       986.0        
Fair Value Hedging | Cross Currency Swaps Expiring in June 2031                
Derivatives, Fair Value [Line Items]                
Cross currency swap amount       $ 581.0