Pension Benefit Plans (Benefit Payments That Reflect Expected Future Service) (Details) - Pension benefit plans $ in Millions	Dec. 31, 2019 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Expected future benefit payments, next 12 months	$ 218.3
Expected future benefit payments, in year two	218.9
Expected future benefit payments, in year three	219.5
Expected future benefit payments, in year four	220.8
Expected future benefit payments, in year five	218.8
Expected future benefit payments, thereafter	1,053.2
U.S. Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Expected future benefit payments, next 12 months	173.4
Expected future benefit payments, in year two	173.9
Expected future benefit payments, in year three	173.3
Expected future benefit payments, in year four	172.5
Expected future benefit payments, in year five	169.7
Expected future benefit payments, thereafter	778.4
Non-U.S. plan
Defined Benefit Plan Disclosure [Line Items]
Expected future benefit payments, next 12 months	44.9
Expected future benefit payments, in year two	45.0
Expected future benefit payments, in year three	46.2
Expected future benefit payments, in year four	48.3
Expected future benefit payments, in year five	49.1
Expected future benefit payments, thereafter	$ 274.8