Benefit Plans, Estimated Benefit Payments for the Next Five Years (Details) $ in Millions	Dec. 31, 2018 USD ($)
Pension Benefits [Member] | U.S. Plans [Member]
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2019	$ 5.5
2020	4.7
2021	5.1
2022	4.6
2023	4.7
Aggregate 2024-2028	19.0
Expected future employer contributions, next fiscal year	0.1
Pension Benefits [Member] | Non-U.S. Plans [Member]
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2019	10.0
2020	10.2
2021	11.1
2022	11.1
2023	12.0
Aggregate 2024-2028	66.4
Expected future employer contributions, next fiscal year	4.7
Other Postretirement Benefits [Member]
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2019	0.3
2020	0.3
2021	0.3
2022	0.2
2023	0.2
Aggregate 2024-2028	1.0
Expected future employer contributions, next fiscal year	$ 0.3