v3.25.2
Debt - Debt Borrowings and Repayments from Long-Term Debt (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Debt Instrument [Line Items]    
Proceeds from long-term debt $ 2.9 $ 805.7
Proceeds from long-term debt, Other 2.9 4.1
Repayment of long-term debt (22.3) (118.0)
Repayment of long-term debt, Other (9.2) (10.5)
CHF Notes Under Various 2024 Note Purchase Agreements    
Debt Instrument [Line Items]    
Proceeds from long-term debt 0.0 472.1
CHF Notes Under the 2024 Term Loan Agreement    
Debt Instrument [Line Items]    
Proceeds from long-term debt 0.0 329.5
Repayment of long-term debt (5.6) 0.0
USD notes under the 2012 Note Purchase agreement    
Debt Instrument [Line Items]    
Repayment of long-term debt 0.0 (100.0)
USD notes under the 2019 Term Loan Agreement    
Debt Instrument [Line Items]    
Repayment of long-term debt $ (7.5) $ (7.5)