v3.26.1
Accumulated Other Comprehensive Loss (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
Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss) [Roll Forward]            
Balance, beginning of period     $ 1,195.7      
Other comprehensive income (loss) before reclassifications     (9.9) $ 51.2    
Amounts reclassified from accumulated other comprehensive loss     0.1 0.2    
Other comprehensive income (loss) $ (1.9) $ 33.7 (9.8) 51.4    
Balance, end of period 1,204.7 1,206.7 1,204.7 1,206.7    
Amortization loss, net of tax 1.1 1.4 1.1 1.4 $ 1.2 $ 1.5
Accumulated Other Comprehensive Loss            
Accumulated Other Comprehensive Income (Loss) [Roll Forward]            
Balance, beginning of period (55.0) (77.6) (47.1) (95.3)    
Other comprehensive income (loss) (1.9) 33.7 (9.8) 51.4    
Balance, end of period (56.9) (43.9) (56.9) (43.9)    
Foreign Currency Translation Adjustments            
Accumulated Other Comprehensive Income (Loss) [Roll Forward]            
Balance, beginning of period     (39.5) (86.7)    
Other comprehensive income (loss) before reclassifications     (9.9) 51.2    
Amounts reclassified from accumulated other comprehensive loss     0.0 0.0    
Other comprehensive income (loss)     (9.9) 51.2    
Balance, end of period (49.4) (35.5) (49.4) (35.5)    
Pension and Other Postretirement Benefits            
Accumulated Other Comprehensive Income (Loss) [Roll Forward]            
Balance, beginning of period     (7.6) (8.6)    
Other comprehensive income (loss) before reclassifications     0.0 0.0    
Amounts reclassified from accumulated other comprehensive loss     0.1 0.2    
Other comprehensive income (loss)     0.1 0.2    
Balance, end of period $ (7.5) $ (8.4) $ (7.5) $ (8.4)