Employee Benefit Plans Amounts Recognized in Other Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Plan | UNITED STATES
Defined Benefit Plans and Other Postretirement Benefit Plans
Pension Recognized in Balance Sheet, Net of Deferred Tax, Beginning of Year	$ (304.9)	$ (383.2)
Amortization of Net Actuarial Loss (Gain)	15.2	16.3	$ 21.3
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax	(7.6)	87.7
Amortization of Prior Service Cost (Credit)	0.0	0.0	0.0
Change in Unrecognized Pension and Postretirement Benefit Costs, Tax Expense	(2.3)	(25.7)
Pension Recognized in Balance Sheet, Net of Deferred Tax, End of Year	(299.6)	(304.9)	(383.2)
Pension Plan | Foreign Plan
Defined Benefit Plans and Other Postretirement Benefit Plans
Pension Recognized in Balance Sheet, Net of Deferred Tax, Beginning of Year	(64.4)	(34.0)
Amortization of Net Actuarial Loss (Gain)	2.5	0.4	1.3
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax	(13.8)	(41.2)
Amortization of Prior Service Cost (Credit)	0.0	0.0	0.0
Change in Unrecognized Pension and Postretirement Benefit Costs, Tax Expense	2.7	10.4
Pension Recognized in Balance Sheet, Net of Deferred Tax, End of Year	(73.0)	(64.4)	(34.0)
Other Postretirement Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans
Pension Recognized in Balance Sheet, Net of Deferred Tax, Beginning of Year	35.2	21.2
Amortization of Net Actuarial Loss (Gain)	(10.5)	(1.0)	0.0
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax	0.1	19.0
Amortization of Prior Service Cost (Credit)	(0.2)	(0.2)	(0.2)
Change in Unrecognized Pension and Postretirement Benefit Costs, Tax Expense	2.3	(3.8)
Pension Recognized in Balance Sheet, Net of Deferred Tax, End of Year	$ 26.9	$ 35.2	$ 21.2