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Debt - Schedule of Debt Summarized (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019 | Sep. 25, 2018
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Finance lease obligations | $ 3.5 | $ 3.2 |
Other | 0.0 | 0.0 |
Debt issuance costs | (4.6) | (5.9) |
Total debt | 593.3 | 542.7 |
Less: Current debt | (2.8) | (1.9) |
Long-term debt | 590.5 | 540.8 |
Deferred Profit Sharing |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | 5.0 | 4.8 |
Revolving Credit Facility | Revolving Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | 50.0 | 0.0 |
Term loan facility | Term Loan |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 195.5 | 197.5 |
6.875% senior unsecured notes due October 1, 2026, net of discount of $6.1 million and $6.9 million as of December 31, 2020 and 2019, respectively | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (percent) | 6.875% |  | 6.875%
Unamortized discount | $ 6.1 | 6.9 |
Long-term debt, gross | $ 343.9 | $ 343.1 |

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