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Debt - Schedule of Debt Summarized (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Debt Instrument [Line Items] |  |
Debt | $ 622.2 |
Debt issuance costs | (4.3) | $ (4.6)
Total debt | 617.9 | 593.3
Less: Current debt | (2.7) | (2.8)
Long-term debt | 615.2 | 590.5
French employee profit sharing |  |
Debt Instrument [Line Items] |  |
Debt | 4.7 | 5.0
Finance lease obligations |  |
Debt Instrument [Line Items] |  |
Finance lease obligations | 3.3 | 3.5
Term loan facility | Term loan facility |  |
Debt Instrument [Line Items] |  |
Debt | $ 195.0 | 195.5
6.875% senior unsecured notes due October 1, 2026, net of discount of $5.8 million and $6.1 million at March 31, 2021 and December 31, 2020, respectively | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate (percent) | 6.875% |
Discount | $ 5.8 | 6.1
Debt | 344.2 | 343.9
Revolving Credit Facility | Revolving credit facility - U.S. dollar borrowings | Revolving credit facility |  |
Debt Instrument [Line Items] |  |
Debt | $ 75.0 | $ 50.0

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