v3.25.2
Debt and Credit Arrangements - Carrying Value and Fair Value Disclosures (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Term Loan | Term loans due March 2030    
Debt Instrument    
Carrying Value $ 1,522.2 $ 1,517.4
Fair Value 1,587.9 1,589.9
Secured Debt | Senior secured notes due 2030    
Debt Instrument    
Carrying Value 1,425.6 1,425.6
Fair Value 1,527.6 1,517.9
Unsecured Debt | Senior unsecured notes due 2031    
Debt Instrument    
Carrying Value 493.2 492.2
Fair Value $ 544.7 $ 546.9