Pension and Other Post-Retirement Benefits - Pension Obligations, Plan Assets, and Other Post-retirement Obligations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Change in Fair Value of Plan Assets
Plan assets at beginning of year	$ 462.1
Plan assets at end of year	323.8	$ 462.1
Amount Recognized
Other liabilities	(47.8)	(68.3)
Defined Benefit Pension [Member]
Change in Benefit Obligation
Benefit obligation at beginning of year	481.9	508.6
Service cost	7.7	8.7	$ 8.1
Interest cost	10.1	8.1	12.3
Actuarial loss	103.4	3.1
Benefits paid	51.3	39.9
Effect of foreign exchange rate changes	(3.2)	(0.5)
Benefit obligation at end of year	341.8	481.9	508.6
Change in Fair Value of Plan Assets
Plan assets at beginning of year	462.1	465.5
Actual return on plan assets	(97.4)	34.3
Effect of exchange rate changes	(4.1)	(0.5)
Company contributions	14.5	2.7
Benefits paid	(51.3)	(39.9)
Plan assets at end of year	323.8	462.1	465.5
Funded Status at end of year	(18.0)	(19.8)
Amount Recognized
Other liabilities	(18.0)	(19.8)
Accumulative other comprehensive loss:
Net actuarial loss	69.7	75.8
Prior service credit (cost)	0.0	0.0
Accumulated other comprehensive loss	69.7	75.8
Defined Benefit Plan, Amounts Recognized in Balance Sheet and Accumulated Other Comprehensive Income (Loss)	51.7	56.0
After-tax amount recognized in accumulated other comprehensive loss	52.2	56.7
Retiree Health and Life [Member]
Change in Benefit Obligation
Benefit obligation at beginning of year	19.9	22.9
Service cost	0.2	0.2	0.2
Interest cost	0.4	0.3	0.5
Actuarial loss	3.2	2.0
Benefits paid	1.7	1.5
Effect of foreign exchange rate changes	0.0	0.0
Benefit obligation at end of year	15.6	19.9	22.9
Change in Fair Value of Plan Assets
Plan assets at beginning of year	0.0	0.0
Actual return on plan assets	0.0	0.0
Effect of exchange rate changes	0.0	0.0
Company contributions	1.7	1.5
Benefits paid	(1.7)	(1.5)
Plan assets at end of year	0.0	0.0	$ 0.0
Funded Status at end of year	(15.6)	(19.9)
Amount Recognized
Other liabilities	(15.6)	(19.9)
Accumulative other comprehensive loss:
Net actuarial loss	(7.4)	(4.8)
Prior service credit (cost)	(0.6)	(0.8)
Accumulated other comprehensive loss	(8.0)	(5.6)
Defined Benefit Plan, Amounts Recognized in Balance Sheet and Accumulated Other Comprehensive Income (Loss)	(23.6)	(25.5)
After-tax amount recognized in accumulated other comprehensive loss	$ (6.0)	$ (4.2)