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Employee Benefit Plans - Net Periodic Expense (Income) and Additional Information (Details) - Pension plans - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
United States      
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets      
Projected benefit obligation $ 221.7 $ 241.1  
Accumulated benefit obligation 221.7 241.1  
Fair value of plan assets 146.4 164.8  
Accumulated benefit obligation 226.1 245.7  
Defined Benefit Plan, Net Periodic Benefit Cost      
Service cost 0.0 0.0 $ 0.0
Interest cost 12.1 13.0 10.5
Expected return on plan assets (8.8) (8.8) (8.2)
Amortization of unrecognized prior service credits 0.0 0.0 (0.1)
Recognized net actuarial (gains) losses 1.4 5.6 (1.6)
Total net periodic pension benefit expense $ 4.7 $ 9.8 $ 0.6
Weighted-average actuarial assumptions used in determining net periodic pension expense:      
Discount rate 5.18% 5.54% 3.99%
Expected long-term rate of return on assets 5.47% 5.23% 3.23%
Weighted-average actuarial assumptions used in determining year-end benefit obligations:      
Discount rate used in determining year-end postretirement benefit obligation 5.57% 5.18% 5.54%
Foreign Plan      
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets      
Projected benefit obligation $ 0.1 $ 0.1  
Accumulated benefit obligation 0.1 0.1  
Fair value of plan assets 0.0 0.0  
Accumulated benefit obligation 99.5 120.2  
Defined Benefit Plan, Net Periodic Benefit Cost      
Service cost 0.0 0.0 $ 0.0
Interest cost 5.6 5.6 3.7
Expected return on plan assets (5.1) (6.4) (5.6)
Amortization of unrecognized prior service credits 0.0 0.0 0.1
Recognized net actuarial (gains) losses 1.1 5.5 6.4
Total net periodic pension benefit expense $ 1.6 $ 4.7 $ 4.6
Weighted-average actuarial assumptions used in determining net periodic pension expense:      
Discount rate 4.83% 5.15% 2.19%
Expected long-term rate of return on assets 5.20% 6.08% 3.44%
Weighted-average actuarial assumptions used in determining year-end benefit obligations:      
Discount rate used in determining year-end postretirement benefit obligation 5.46% 4.83% 5.15%