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Debt, Interest Income, Expense and Other Finance Costs - Summary of Debt (Details) € in Millions, $ in Millions | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 EUR (€) | Jul. 31, 2019 USD ($)
--- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |
Finance leases | $ 18.2 | $ 18.7 |  |
Total debt | 524.7 | 628.8 |  |
Less: Current maturities of long-term debt and finance leases | 22.9 | 54.1 |  |
Long-term debt | 501.8 | 574.7 |  |
Other |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt | 3.3 | 39.5 |  |
Term Loans | Term Loans |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt | 503.2 | 515.6 |  | $ 525.0
Secured Borrowing |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt |  | 37.3 | € 33.6 |
Credit Facility | Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt | $ 0.0 | $ 55.0 |  |

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