Long-Term Debt and Commitments (Details) $ in Millions		3 Months Ended			6 Months Ended			12 Months Ended
	Feb. 14, 2017 USD ($)	Jun. 28, 2020 USD ($)		Mar. 29, 2020 USD ($)	Jun. 28, 2020 USD ($) Loan qtr		Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2019 USD ($)		Jun. 23, 2015 USD ($)	May 09, 2014 USD ($)
Long-Term Debt and Commitments [Abstract]
Long-term debt		$ 796.9			$ 796.9				$ 826.4
Less: Current maturities		149.2	[1]		149.2	[1]			2.1	[2]
Total long-term debt		647.7	[1]		647.7	[1]			824.3	[2]
Repayment of long-term debt					31.3		$ 36.6
Short-term debt		100.3	[1]		$ 100.3	[1]			101.2	[2]
Maximum [Member]
Long-Term Debt and Commitments [Abstract]
Net leverage ratio					3.50
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			$ 25.0
Number of quarters to maintain net leverage ratio under financial covenant | qtr					4
Term Facility [Member]
Long-Term Debt and Commitments [Abstract]
Long-term debt											$ 1,378.0
Face amount												$ 1,560.0
Term Loan Facility - Variable Tranche [Member]
Long-Term Debt and Commitments [Abstract]
Long-term debt	$ 788.0	643.7			$ 643.7				642.0		1,078.0
Unamortized discount and deferred financing costs		$ 14.2			$ 14.2				16.0
Maturity date					Feb. 14, 2024
Decrease in basis spread on variable rate	(0.75%)
Debt discount percentage at issuance		0.25%
Required annual amortization		1.00%
Term Loan Facility - Variable Tranche [Member] | Minimum [Member]
Long-Term Debt and Commitments [Abstract]
Interest rate		0.75%			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		$ 147.9			$ 147.9				177.8		$ 300.0
Unamortized discount and deferred financing costs		$ 0.1			$ 0.1				0.2
Maturity date					May 09, 2021
Interest rate		4.75%			4.75%
Debt discount percentage at issuance		0.25%
Revolving Facility [Member]
Long-Term Debt and Commitments [Abstract]
Maturity date					Apr. 18, 2023
Maximum borrowing capacity		$ 300.0			$ 300.0							$ 200.0
Proceeds from issuance of short-term debt								$ 113.0
Short-term debt		100.0			100.0
Letters of credit outstanding		$ 9.4			$ 9.4
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%
Netherlands Term Loans [Member]
Long-Term Debt and Commitments [Abstract]
Number of term loans | Loan					2
Repayment of long-term debt				$ 1.0
Netherlands Term Loans [Member] | Euribor [Member]
Long-Term Debt and Commitments [Abstract]
Basis spread on variable rate		2.00%
Netherlands Term Loan Due 2020 [Member]
Long-Term Debt and Commitments [Abstract]
Long-term debt		$ 0.3			$ 0.3				1.1
Netherlands Term Loan Due 2022 [Member]
Long-Term Debt and Commitments [Abstract]
Long-term debt		0.7			0.7				1.0
Japan Loan Facilities [Member]
Long-Term Debt and Commitments [Abstract]
Long-term debt		4.3			4.3				$ 4.5
Repayment of long-term debt				$ 0.3
Uncommitted Short-Term Bank Credit Lines [Member]
Long-Term Debt and Commitments [Abstract]
Maximum borrowing capacity		41.8			41.8
Short-term debt		$ 0.3			$ 0.3

[1] Unaudited

[2] Condensed from audited financial statements