v3.26.1
Derivative Instruments and Hedging Activities (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative, Fair Value, Net $ 11.3   $ 11.3   $ 4.1
Derivative, Fair Value, Net (Liability) 11.4   11.4   12.5
Interest Expense, Net of Interest Income (26.4) $ (35.3) (43.4) $ (59.9)  
Foreign currency translation adjustments (6.2) 86.4 (18.6) 123.2  
Forward Contracts          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative, Notional Amount 1,630.0   1,630.0   2,040.0
Foreign Currency Forward Contract Net Notional Value 1,080.0   1,080.0   1,230.0
Derivative Asset, Fair Value, Gross Asset 6.1   6.1   2.2
Derivative Liability, Fair Value, Gross Liability 12.6   12.6   4.2
Derivative Asset, Fair Value, Gross Liability (1.8)   (1.8)   (0.6)
Derivative Liability, Fair Value, Gross Asset (1.8)   (1.8)   (0.6)
Mortgage banking derivative asset 4.3   4.3   1.6
Mortgage banking derivative liabilities 10.8   10.8   3.6
Conversion Gains and Losses on Foreign Investments 1.2 (0.4) (4.5) 6.9  
Net Investment Hedging          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative, Notional Amount 805.8   805.8    
Derivative Asset, Fair Value, Gross Asset 8.7   8.7   3.6
Derivative Liability, Fair Value, Gross Liability 2.3   2.3   10.0
Derivative Asset, Fair Value, Gross Liability (1.7)   (1.7)   (1.1)
Derivative Liability, Fair Value, Gross Asset (1.7)   (1.7)   (1.1)
Mortgage banking derivative asset 7.0   7.0   2.5
Mortgage banking derivative liabilities 0.6   0.6   $ 8.9
Interest Expense, Net of Interest Income 2.6 0.0 5.1 0.0  
Foreign currency translation adjustments $ (10.4) $ 0.0 $ 12.8 $ 0.0