Retirement and Other Postretirement Benefit Plans - Schedule of Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income Loss (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Postretirement Plans
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Loss
Net loss (gain)	$ (0.1)	$ (0.5)
Amortization of actuarial (losses) gains	0.8	1.1
Total recognized in other comprehensive income (loss), (pre-tax)	0.7	0.6
U.S. Plans | Defined Benefit Retirement Plans
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Loss
Net loss (gain)	(3.3)	(2.3)
Amortization of actuarial (losses) gains		(0.8)
Prior service cost	(0.1)	0.1
Total recognized in other comprehensive income (loss), (pre-tax)	(3.4)	(3.0)
European Plans | Defined Benefit Retirement Plans
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Loss
Net loss (gain)	4.9	(4.3)
Amortization of actuarial (losses) gains	(70.5)	(2.1)
Prior service cost	(1.1)
Effect of foreign exchange	1.8	(8.3)
Total recognized in other comprehensive income (loss), (pre-tax)	$ (64.9)	$ (14.7)