v3.25.1
Changes in Accumulated Other Comprehensive Loss by Component (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at the beginning of period $ 1,883.5  
Balance at end of period 1,855.1 $ 1,881.8
Accumulated Other Comprehensive Loss    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at end of period (110.3) (87.9)
Cumulative foreign currency translation    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at the beginning of period (104.3) (80.3)
Other comprehensive gain (loss) before reclassifications 0.7 (4.8)
Balance at end of period (103.6) (85.1)
Unrealized net (loss) gain on cash flow derivatives    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at the beginning of period (1.5) 0.7
Other comprehensive gain (loss) before reclassifications 0.7 1.4
Reclassifications, net of tax 0.1 (0.4)
Balance at end of period (0.7) 1.7
Income tax benefit (0.1) 0.1
Pension liability    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at the beginning of period (6.1) (4.6)
Reclassifications, net of tax 0.1 0.1
Balance at end of period (6.0) (4.5)
Actuarial losses 0.1 0.1
Income tax benefit 0.0 0.0
Actuarial losses    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Actuarial losses $ 0.1 $ 0.1