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Long-Term Debt and Commitments (Details) $ in Millions |  | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 14, 2017 USD ($) | Jul. 01, 2018 USD ($) | Jul. 01, 2018 USD ($) Loan | Jul. 02, 2017 USD ($) | Dec. 31, 2017 USD ($) | Jun. 23, 2015 USD ($) | May 09, 2014 USD ($)
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Debt |  | $ 969.1 |  | $ 969.1 |  |  | $ 963.6 |  |  |
Less: Current maturities |  | 3.0 | [1] | 3.0 | [1] |  | 3.8 | [2] |  |
Long-term debt |  | 966.1 | [1] | 966.1 | [1] |  | 959.8 | [2] |  |
Maximum borrowing capacity |  | 36.8 |  | 36.8 |  |  |  |  |  |
Repayments of long-term debt |  |  |  | 6.6 |  | $ 54.8 |  |  |  |
Uncommitted short-term bank credit lines, amount outstanding |  | 5.2 |  | $ 5.2 |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Net leverage ratio |  |  |  | 3.50 |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Net leverage ratio |  |  |  | 5.25 |  |  |  |  |  |
Sivomatic [Member] |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Repayments of long-term debt |  | 4.1 |  |  |  |  |  |  |  |
Acquisition related long-term debt |  |  |  | $ 10.7 |  |  |  |  |  |
Number of term loans | Loan |  |  |  | 2 |  |  |  |  |  |
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 |  | 656.9 |  | $ 656.9 |  |  | 655.3 |  |  |
Long-term debt, unamortized discount and deferred financing costs |  | 21.1 |  | $ 21.1 |  |  | 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 |  | 299.6 |  | $ 299.6 |  |  | 299.5 |  |  |
Long-term debt, unamortized discount and deferred financing costs |  | 0.4 |  | $ 0.4 |  |  | 0.5 |  |  |
Maturity date |  |  |  | May 09, 2021 |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  |  | $ 1,560.0
Netherlands Term Loan Due 2020 |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Debt |  | 4.7 |  | $ 4.7 |  |  | 0.0 |  |  |
Maturity date |  |  |  | Dec. 31, 2020 |  |  |  |  |  |
Netherlands Term Loan Due 2022 |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Debt |  | 1.5 |  | $ 1.5 |  |  | 0.0 |  |  |
Maturity date |  |  |  | Dec. 31, 2022 |  |  |  |  |  |
Japan Loan Facilities [Member] |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Debt |  | 5.4 |  | $ 5.4 |  |  | 5.6 |  |  |
China Loan Facilities [Member] |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Debt |  | $ 1.0 |  | $ 1.0 |  |  | $ 3.2 |  |  |
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% |  | 0.25% |  |  |  |  |  |
Term Loan Facility Second Amendment [Member] | LIBOR [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Facility variable interest rate |  | 0.75% |  | 0.75% |  |  |  |  |  |
Term Loan Facility Second Amendment [Member] | LIBOR [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Facility variable interest rate |  | 2.25% |  | 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% |  | 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% |  | 4.75% |  |  |  |  |  |
Revolving Facility Third Amendment [Member] |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 300.0 |  | $ 300.0 |  |  |  |  |  |
Combined Loan Facility of China and Japan [Member] |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  | Dec. 31, 2021 |  |  |  |  |  |
Debt instrument outstanding |  | 6.4 |  | $ 6.4 |  |  |  |  |  |
Repayments of long-term debt |  |  |  | $ 2.5 |  |  |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  | Apr. 18, 2023 |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  |  | $ 200.0
Debt instrument outstanding |  | 113.0 |  | $ 113.0 |  |  |  |  |  |
Basis points related to debt |  |  |  | 0.25% |  |  |  |  |  |
Letters of credit outstanding |  | $ 5.9 |  | $ 5.9 |  |  |  |  |  |
Revolving Credit Facility [Member] | LIBOR [Member] |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Facility variable interest rate |  | 1.625% |  | 1.625% |  |  |  |  |  |
Letter of Credit [Member] |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |
Letters of credit outstanding |  | $ 15.0 |  | $ 15.0 |  |  |  |  |  |
[1] | Unaudited
[2] | Condensed from audited financial statements

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