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Pension Plans - Schedule of Assumptions Used (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 280.7 $ 423.4 $ 403.9
U.K.      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 4.80% 1.90% 1.40%
Expected return on assets 5.60% 3.30% 3.00%
Life expectancy of male in the U.K. aged 65 at accounting date 21 years 2 months 12 days 21 years 1 month 6 days  
Life expectancy of female in the U.K. aged 65 at accounting date 23 years 22 years 10 months 24 days  
Life expectancy of male in the U.K. aged 65 at 20 years after accounting date 22 years 6 months 22 years 4 months 24 days  
Life expectancy of female in the U.K. aged 65 at 20 years after accounting date 24 years 6 months 24 years 4 months 24 days  
Fair value of plan assets $ 252.6 $ 376.6 $ 358.9
U.K. | Retirement Plan Pre-2030      
Defined Benefit Plan Disclosure [Line Items]      
Retail Price Inflation 3.20% 3.30% 2.90%
Consumer Price Inflation 2.10% 2.20% 1.80%
U.K. | Retirement Plan Pre-2030 | Pre 6 April 1997      
Defined Benefit Plan Disclosure [Line Items]      
Rate of pension increases 1.90% 2.00% 1.70%
U.K. | Retirement Plan Pre-2030 | 1997 To 2005      
Defined Benefit Plan Disclosure [Line Items]      
Rate of pension increases 2.10% 2.20% 1.90%
U.K. | Retirement Plan Pre-2030 | Post 5 April 2005      
Defined Benefit Plan Disclosure [Line Items]      
Rate of pension increases 1.70% 1.80% 1.60%
U.K. | Retirement Plan Post-2030      
Defined Benefit Plan Disclosure [Line Items]      
Retail Price Inflation 3.20% 3.30% 2.70%
Consumer Price Inflation 3.10% 3.20% 2.60%
U.K. | Retirement Plan Post-2030 | Pre 6 April 1997      
Defined Benefit Plan Disclosure [Line Items]      
Rate of pension increases 2.40% 2.50% 2.20%
U.K. | Retirement Plan Post-2030 | 1997 To 2005      
Defined Benefit Plan Disclosure [Line Items]      
Rate of pension increases 3.00% 3.10% 2.60%
U.K. | Retirement Plan Post-2030 | Post 5 April 2005      
Defined Benefit Plan Disclosure [Line Items]      
Rate of pension increases 2.20% 2.20% 2.00%
Foreign Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 28.1 $ 46.8 $ 45.0
U.S. / other      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 5.10% 2.70% 2.30%
Expected return on assets 4.70% 2.50% 5.00%