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Stockholders' Equity - Reclassifications from Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net current-period other comprehensive income (loss) $ 4.3 $ (2.8)
Amount Reclassified from Accumulated Other Comprehensive Loss    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Amortization of actuarial losses of defined benefit pension plans (0.7) (0.7)
Interest rate swaps 0.0 0.9
Total before tax (0.7) 0.2
Income tax benefit (expense) 0.2 0.0
Total reclassifications for the period, net of tax (0.5) 0.2
Actuarial Losses    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net current-period other comprehensive income (loss) 0.2 0.6
Prior Service Costs    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net current-period other comprehensive income (loss) 0.0 0.0
Currency Translation    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net current-period other comprehensive income (loss) 4.0 (3.9)
Interest Rate Swaps    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net current-period other comprehensive income (loss) 0.1 0.5
Accumulated Other Comprehensive Loss    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net current-period other comprehensive income (loss) $ 4.3 $ (2.8)