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Stockholders' Equity - Changes in Accumulated Other Comprehensive Loss by Component (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at beginning of period $ 1,883.5 $ 1,844.4
Balance at end of period 1,858.0 1,883.5
Accumulated Other Comprehensive Loss    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at beginning of period (111.9) (84.2)
Balance at end of period (98.6) (111.9)
Cumulative foreign currency translation    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at beginning of period (104.3) (80.3)
Other comprehensive gain (loss) before reclassifications 13.1 (24.0)
Balance at end of period (91.2) (104.3)
Unrealized net (loss) gain on cash flow derivatives    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at beginning of period (1.5) 0.7
Other comprehensive gain (loss) before reclassifications 2.5 (0.5)
Amounts reclassified, net of tax (1.2) (1.7)
Balance at end of period (0.2) (1.5)
Reclassification, before income tax (1.6) (2.2)
Tax provision (benefit) 0.4 0.5
Pension liability    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at beginning of period (6.1) (4.6)
Other comprehensive gain (loss) before reclassifications (1.4) (1.8)
Amounts reclassified, net of tax 0.3 0.3
Balance at end of period (7.2) (6.1)
Reclassification, before income tax 0.4 0.4
Tax provision (benefit) (0.1) (0.1)
Actuarial losses    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Reclassification, before income tax 0.3 0.3
Prior year service cost    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Reclassification, before income tax $ 0.1 $ 0.1