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Long-Term Debt and Commitments (Details) ¥ in Millions, ¥ in Millions, $ in Millions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2017 USD ($) Loan | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2017 CNY (¥) | Dec. 31, 2017 JPY (¥) | Feb. 14, 2017 USD ($) | Jun. 23, 2015 USD ($) | May 09, 2014 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt | $ 963.6 | $ 1,076.7 |  |  |  |  |  |
Less: Current maturities | 3.8 | 6.8 |  |  |  |  |  |
Long-term debt | 959.8 | 1,069.9 |  |  |  |  |  |
Maximum borrowing capacity | 37.1 |  |  |  |  |  |  |
Repayments of long-term debt | 118.9 | 193.2 | $ 191.8 |  |  |  |  |
Uncommitted short-term bank credit lines, amount outstanding | 6.3 |  |  |  |  |  |  |
Short-term Borrowings [Abstract] |  |  |  |  |  |  |  |
Short-term borrowings | $ 6.3 | $ 6.1 |  |  |  |  |  |
Weighted average interest rate on short-term borrowings | 3.90% | 3.70% |  | 3.90% | 3.90% |  |  |
Long-term debt maturities [Abstract] |  |  |  |  |  |  |  |
2018 | $ 3.8 |  |  |  |  |  |  |
2019 | 0.6 |  |  |  |  |  |  |
2020 | 0.6 |  |  |  |  |  |  |
2021 | 304.0 |  |  |  |  |  |  |
2022 | 0.0 |  |  |  |  |  |  |
Thereafter | 678.0 |  |  |  |  |  |  |
Interest costs [Abstract] |  |  |  |  |  |  |  |
Interest costs | 45.4 | $ 56.5 | 62.6 |  |  |  |  |
Capitalized interest cost | $ 0.2 | 0.1 | $ 0.5 |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Net leverage ratio | 3.50 |  |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Net leverage ratio | 5.25 |  |  |  |  |  |  |
Term Loan Facility, Due February 14, 2024 [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt | $ 655.3 | 762.3 |  |  |  |  |  |
Long-term debt, unamortized discount and deferred financing costs | $ 22.7 | 25.8 |  |  |  |  |  |
Maturity date | Feb. 14, 2024 |  |  |  |  |  |  |
Term Loan Facility, Due February 14, 2024 [Member] | Floating Rate Tranche [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Amortization rate on notes | 1.00% |  |  |  |  |  |  |
Term Loan Facility, Due May 9, 2021 [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt | $ 299.5 | 299.4 |  |  |  |  |  |
Long-term debt, unamortized discount and deferred financing costs | $ 0.5 | 0.6 |  |  |  |  |  |
Maturity date | May 09, 2021 |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  | $ 1,560.0
Repayments of long-term debt | $ 110.0 |  |  |  |  |  |  |
Term Loan Facility First Amendment [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit outstanding |  |  |  |  |  |  | $ 1,378.0 |
Term Loan Facility First Amendment [Member] | Floating Rate Tranche [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit outstanding |  |  |  |  |  |  | 1,078.0 |
Term Loan Facility First Amendment [Member] | Fixed Rate Tranche [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit outstanding |  |  |  |  |  |  | $ 300.0 |
Facility variable interest rate | 0.25% |  |  | 0.25% | 0.25% |  |  |
Term Loan Facility Second Amendment [Member] | LIBOR [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Facility variable interest rate | 0.75% |  |  | 0.75% | 0.75% |  |  |
Term Loan Facility Second Amendment [Member] | LIBOR [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Facility variable interest rate | 2.25% |  |  | 2.25% | 2.25% |  |  |
Term Loan Facility Second Amendment [Member] | Floating Rate Tranche [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit outstanding |  |  |  |  |  | $ 788.0 |  |
Facility variable interest rate | 0.25% |  |  | 0.25% | 0.25% |  |  |
Basis points related to debt | 0.75% |  |  |  |  |  |  |
Term Loan Facility Second Amendment [Member] | Fixed Rate Tranche [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Facility variable interest rate | 4.75% |  |  | 4.75% | 4.75% |  |  |
Japan Loan Facilities [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt | $ 5.6 | 5.8 |  |  |  |  |  |
Maximum borrowing capacity | 6.0 |  |  |  | ¥ 680 |  |  |
China Loan Facilities [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt | 3.2 | $ 9.2 |  |  |  |  |  |
Maximum borrowing capacity | $ 1.8 |  |  | ¥ 94.8 |  |  |  |
Number of committed loan facilities | Loan | 4 |  |  |  |  |  |  |
Combined Loan Facility of China and Japan [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maturity date | Dec. 31, 2021 |  |  |  |  |  |  |
Debt instrument outstanding | $ 8.8 |  |  |  |  |  |  |
Repayments of long-term debt | $ 6.9 |  |  |  |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maturity date | May 09, 2019 |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  | $ 200.0
Basis points related to debt | 0.25% |  |  |  |  |  |  |
Debt instrument outstanding | $ 0.0 |  |  |  |  |  |  |
Letters of credit outstanding | $ 12.9 |  |  |  |  |  |  |
Revolving Credit Facility [Member] | LIBOR [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Facility variable interest rate | 1.75% |  |  | 1.75% | 1.75% |  |  |
Letter of Credit [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Letters of credit outstanding | $ 15.0 |  |  |  |  |  |  |

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