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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Long-Term Debt and Commitments (Details) $ in Millions	12 Months Ended
Long-Term Debt and Commitments (Details) $ in Millions	Dec. 31, 2018 USD ($) Loan	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Feb. 14, 2017 USD ($)	Jun. 23, 2015 USD ($)	May 09, 2014 USD ($)
Debt Instruments [Abstract]
Debt	$ 911.1	$ 963.6
Less: Current maturities	3.3	3.8
Long-term debt	907.8	959.8
Maximum borrowing capacity	42.7
Repayments of long-term debt	66.3	118.9	$ 193.2
Uncommitted short-term bank credit lines, amount outstanding	5.2
Short-term Borrowings [Abstract]
Short-term borrowings	$ 105.2	$ 6.3
Weighted average interest rate on short-term borrowings	4.00%	3.90%
Long-term debt maturities [Abstract]
2019	$ 3.3
2020	2.2
2021	267.2
2022	0.2
2023	0.0
Thereafter	658.0
Interest costs [Abstract]
Interest costs	48.6	$ 45.4	56.5
Capitalized interest cost	0.5	0.2	$ 0.1
Sivomatic [Member]
Debt Instruments [Abstract]
Repayments of long-term debt	5.4
Acquisition related long-term debt	$ 10.7
Number of term loans \| Loan	2
Minimum [Member]
Debt Instruments [Abstract]
Net leverage ratio	3.50
Maximum [Member]
Debt Instruments [Abstract]
Net leverage ratio	5.25
Euribor [Member] \| Sivomatic [Member]
Debt Instruments [Abstract]
Basis points related to debt	2.00%
Term Loan Facility, Due February 14, 2024 [Member]
Debt Instruments [Abstract]
Debt	$ 638.6	655.3
Long-term debt, unamortized discount and deferred financing costs	$ 19.4	22.7
Maturity date	Feb. 14, 2024
Term Loan Facility, Due February 14, 2024 [Member] \| Floating Rate Tranche [Member]
Debt Instruments [Abstract]
Amortization rate on notes	1.00%
Term Loan Facility, Due May 9, 2021 [Member]
Debt Instruments [Abstract]
Debt	$ 262.6	299.5
Long-term debt, unamortized discount and deferred financing costs	$ 0.3	0.5
Maturity date	May 09, 2021
Maximum borrowing capacity						$ 1,560.0
Repayments of long-term debt	$ 57.0
Netherlands Term Loan Due 2020 [Member]
Debt Instruments [Abstract]
Debt	$ 3.4	0.0
Maturity date	Dec. 31, 2020
Netherlands Term Loan Due 2022 [Member]
Debt Instruments [Abstract]
Debt	$ 1.4	0.0
Maturity date	Dec. 31, 2022
Term Loan Facility First Amendment [Member]
Debt Instruments [Abstract]
Line of credit outstanding					$ 1,378.0
Term Loan Facility First Amendment [Member] \| Floating Rate Tranche [Member]
Debt Instruments [Abstract]
Line of credit outstanding					1,078.0
Term Loan Facility First Amendment [Member] \| Fixed Rate Tranche [Member]
Debt Instruments [Abstract]
Line of credit outstanding					$ 300.0
Facility variable interest rate	0.25%
Term Loan Facility Second Amendment [Member] \| LIBOR [Member] \| Minimum [Member]
Debt Instruments [Abstract]
Facility variable interest rate	0.75%
Term Loan Facility Second Amendment [Member] \| LIBOR [Member] \| Maximum [Member]
Debt Instruments [Abstract]
Facility variable interest rate	2.25%
Term Loan Facility Second Amendment [Member] \| Floating Rate Tranche [Member]
Debt Instruments [Abstract]
Line of credit outstanding				$ 788.0
Facility variable interest rate	0.25%
Basis points related to debt	0.75%
Term Loan Facility Second Amendment [Member] \| Fixed Rate Tranche [Member]
Debt Instruments [Abstract]
Facility variable interest rate	4.75%
Japan Loan Facilities [Member]
Debt Instruments [Abstract]
Debt	$ 5.1	5.6
China Loan Facilities [Member]
Debt Instruments [Abstract]
Debt	$ 0.0	$ 3.2
Combined Loan Facility of China and Japan [Member]
Debt Instruments [Abstract]
Maturity date	Dec. 31, 2022
Debt instrument outstanding	$ 5.1
Repayments of long-term debt	$ 3.8
Revolving Credit Facility [Member]
Debt Instruments [Abstract]
Maturity date	Apr. 18, 2023
Maximum borrowing capacity						$ 200.0
Basis points related to debt	0.25%
Debt instrument outstanding	$ 100.0
Letters of credit outstanding	10.5
Repayments of long-term debt	13.0
Revolving Credit Facility [Member] \| Sivomatic [Member]
Short-term Borrowings [Abstract]
Short-term borrowings	$ 113.0
Revolving Credit Facility [Member] \| LIBOR [Member]
Debt Instruments [Abstract]
Facility variable interest rate	1.625%
Revolving Facility Third Amendment [Member]
Debt Instruments [Abstract]
Maximum borrowing capacity	$ 300.0
Letter of Credit [Member]
Debt Instruments [Abstract]
Letters of credit outstanding	$ 15.0