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Long-Term Debt and Commitments, Summary of Long-Term Debt (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Feb. 14, 2017 | Jun. 23, 2015
Long-Term Debt and Commitments [Abstract] |  |  |  |
Total long-term debt | $ 937.0 | $ 934.2 |  |
Less: Current maturities | 0.8 | 1.0 |  |
Long-term debt | 936.2 | 933.2 |  |
Term Loan Facility - Variable Tranche [Member] |  |  |  |
Long-Term Debt and Commitments [Abstract] |  |  |  |
Total long-term debt | $ 539.2 | 535.6 | $ 788.0 | $ 1,078.0
Maturity date | Feb. 14, 2024 |  |  |
Unamortized discount and deferred financing costs | $ 8.8 | 12.4 |  |
Senior Notes due 2028 [Member] |  |  |  |
Long-Term Debt and Commitments [Abstract] |  |  |  |
Total long-term debt | $ 394.6 | 393.9 |  |
Maturity date | Jun. 30, 2028 |  |  |
Unamortized deferred financing cost | $ 5.4 |  |  |
Netherlands Term Loan Due 2022 [Member] |  |  |  |
Long-Term Debt and Commitments [Abstract] |  |  |  |
Total long-term debt | $ 0.2 | 0.6 |  |
Maturity date | Dec. 31, 2022 |  |  |
Japan Loan Facilities [Member] |  |  |  |
Long-Term Debt and Commitments [Abstract] |  |  |  |
Total long-term debt | $ 3.0 | $ 4.1 |  |

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