Long-Term Debt and Commitments, Long-Term Debt (Details) $ in Millions			3 Months Ended	12 Months Ended
	Apr. 30, 2018 USD ($)	Feb. 14, 2017 USD ($)	Sep. 27, 2020 Loan	Dec. 31, 2020 USD ($) Loan Offering qtr	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Jun. 30, 2020 USD ($)	Jun. 23, 2015 USD ($)	May 09, 2014 USD ($)
Long-Term Debt and Commitments [Abstract]
Long-term debt				$ 934.2	$ 826.4
Repayments of long-term debt				290.1	88.2	$ 66.3
Short-term borrowings				0.0	$ 101.2
Weighted average interest rate on short-term borrowings					3.90%
Maturities of Long-term Debt [Abstract]
2021				4.5
2022				0.2
2023				0.0
2024				548.0
2025				0.0
Thereafter				400.0
Interest Costs [Abstract]
Interest costs				40.7	$ 46.0	48.6
Capitalized interest cost				0.6	0.6	$ 0.5
Sivomatic [Member]
Long-Term Debt and Commitments [Abstract]
Long-term debt assumed as part of acquisition	$ 10.7
Credit Agreement [Member]
Long-Term Debt and Commitments [Abstract]
Letters of credit excluded from financial covenant				$ 25.0
Number of quarters to maintain net leverage ratio under financial covenant | qtr				4
Credit Agreement [Member] | Maximum [Member]
Long-Term Debt and Commitments [Abstract]
Net leverage ratio				3.50
Term Facility [Member]
Long-Term Debt and Commitments [Abstract]
Face amount									$ 1,560.0
Long-term debt								$ 1,378.0
Repayments of long-term debt				$ 288.0
Term Loan Facility - Variable Tranche [Member]
Long-Term Debt and Commitments [Abstract]
Long-term debt		$ 788.0		$ 535.6	642.0			1,078.0
Decrease in basis spread on variable rate		(0.75%)
Maturity date				Feb. 14, 2024
Required annual amortization				1.00%
Term Loan Facility - Variable Tranche [Member] | Minimum [Member]
Long-Term Debt and Commitments [Abstract]
Interest rate				0.75%
Term Loan Facility - Variable Tranche [Member] | LIBOR [Member]
Long-Term Debt and Commitments [Abstract]
Basis spread on variable rate				2.25%
Term Loan Facility - Fixed Tranche [Member]
Long-Term Debt and Commitments [Abstract]
Long-term debt				$ 0.0	177.8			$ 300.0
Maturity date				May 09, 2021
Revolving Facility [Member]
Long-Term Debt and Commitments [Abstract]
Maximum borrowing capacity				$ 300.0					$ 200.0
Long-term debt				$ 0.0
Maturity date				Apr. 18, 2023
Letters of credit outstanding				$ 9.5
Revolving Facility [Member] | Maximum [Member]
Long-Term Debt and Commitments [Abstract]
Decrease in basis spread if net leverage ratio is less than certain thresholds				(0.25%)
Revolving Facility [Member] | LIBOR [Member]
Long-Term Debt and Commitments [Abstract]
Basis spread on variable rate				1.625%
Senior Notes due 2028 [Member]
Long-Term Debt and Commitments [Abstract]
Face amount							$ 400.0
Long-term debt				$ 393.9	0.0
Maturity date				Jun. 30, 2028
Interest rate				5.00%
Guarantee amount				$ 50.0
Number of equity offerings where funds can be used to redeem percentage of aggregate principal amount | Offering				1
Senior Notes due 2028 [Member] | Redemption of Notes for Cash Prior to July 1, 2023 [Member]
Long-Term Debt and Commitments [Abstract]
Redemption price percentage				100.00%
Senior Notes due 2028 [Member] | Redemption of Notes with Funds from One or More Equity Offerings Prior to July 1, 2023 [Member]
Long-Term Debt and Commitments [Abstract]
Redemption price percentage				105.00%
Percentage of aggregate principal amount that can be redeemed				40.00%
Senior Notes due 2028 [Member] | Redemption of Notes if Company Experiences Change of Control [Member]
Long-Term Debt and Commitments [Abstract]
Redemption price percentage				101.00%
Netherlands Term Loans [Member]
Long-Term Debt and Commitments [Abstract]
Repayments of long-term debt				$ 1.5
Number of term loans | Loan				2
Number of term loans that matured | Loan			1
Netherlands Term Loans [Member] | Euribor [Member]
Long-Term Debt and Commitments [Abstract]
Basis spread on variable rate			2.00%
Japan Loan Facilities [Member]
Long-Term Debt and Commitments [Abstract]
Long-term debt				$ 4.1	$ 4.5
Repayments of long-term debt				0.6
Uncommitted Short-Term Bank Credit Lines [Member]
Long-Term Debt and Commitments [Abstract]
Maximum borrowing capacity				25.6
Short-term borrowings				$ 0.0