v3.26.1
Comprehensive Income - Schedule of the Tax Effects Allocated to Each Component of Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Accumulated Other Comprehensive Income (Loss)        
Pre-Tax $ (13.2) $ 65.2 $ (28.4) $ 54.8
Tax (Expense) Benefit 1.4 (1.5) 1.2 4.1
Other comprehensive income (loss), net of tax (11.8) 63.7 (27.2) 58.9
Foreign currency translation gain (loss)        
Accumulated Other Comprehensive Income (Loss)        
Pre-Tax (13.4) 64.8 (29.1) 53.5
Tax (Expense) Benefit 1.4 (1.5) 1.2 4.1
Other comprehensive income (loss), net of tax (12.0) 63.3 (27.9) 57.6
Change in net realized and unrealized gain (loss) on derivative financial instruments        
Accumulated Other Comprehensive Income (Loss)        
Pre-Tax 0.2 0.4 0.7 0.9
Tax (Expense) Benefit 0.0 0.0 0.0 0.0
Other comprehensive income (loss), net of tax $ 0.2 $ 0.4 0.7 0.9
Change in net unrealized gain (loss) on available-for-sale debt securities        
Accumulated Other Comprehensive Income (Loss)        
Pre-Tax     0.0 0.4
Tax (Expense) Benefit     0.0 0.0
Other comprehensive income (loss), net of tax     $ 0.0 $ 0.4