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Accumulated Other Comprehensive Loss - Schedule of Details of Comprehensive Loss (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance at beginning of period $ (624.5) $ (549.5)  
Other comprehensive income (loss) before reclassifications 170.2 (123.6)  
Less: amounts reclassified from accumulated other comprehensive loss 3.8 3.2  
Net current period other comprehensive income (loss) 174.0 (120.4)  
Balance at end of period (1,237.5) (624.5)  
Intra-entity foreign currency translation adjustment (709.3) (917.1)  
Intra-entity transactions      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Intra-entity foreign currency translation adjustment 44.5 21.1 $ 12.9
Unrecognized Pension Items      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance at beginning of period 141.8 146.4  
Other comprehensive income (loss) before reclassifications 2.5 1.1  
Less: amounts reclassified from accumulated other comprehensive loss 4.0 3.5  
Net current period other comprehensive income (loss) 6.5 4.6  
Balance at end of period 135.3 141.8  
Cumulative Translation Adjustment      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance at beginning of period 917.1 770.6  
Other comprehensive income (loss) before reclassifications 207.3 (146.5)  
Less: amounts reclassified from accumulated other comprehensive loss 0.5 0.0  
Net current period other comprehensive income (loss) 207.8 (146.5)  
Balance at end of period 709.3 917.1  
Unrecognized (Losses) Gains on Derivative Instruments for Net Investment Hedge and Cash Flow Hedge | Net Investment Hedge      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance at beginning of period 20.7 38.1  
Other comprehensive income (loss) before reclassifications (37.3) 17.4  
Less: amounts reclassified from accumulated other comprehensive loss 0.0 0.0  
Net current period other comprehensive income (loss) (37.3) 17.4  
Balance at end of period 58.0 20.7  
Unrecognized (Losses) Gains on Derivative Instruments for Net Investment Hedge and Cash Flow Hedge | Cash Flow Hedge      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance at beginning of period (3.7) 0.4  
Other comprehensive income (loss) before reclassifications (2.3) 4.4  
Less: amounts reclassified from accumulated other comprehensive loss (0.7) (0.3)  
Net current period other comprehensive income (loss) (3.0) 4.1  
Balance at end of period (0.7) (3.7)  
Accumulated  Other Comprehensive  Loss, Net of  Taxes      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance at beginning of period 1,075.9 955.5  
Balance at end of period $ 901.9 $ 1,075.9