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Schedule of Debt (Details) - USD ($) $ in Millions | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Debt Instrument [Line Items] |  |
Long-term debt | $ 104.9 | $ 108.0
Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt, face amount | 74.3 | 74.3
Long-term debt, interest | 30.6 | 33.7
Long-term debt, current | 6.1 | $ 6.1
Long-term debt | $ 104.9 |

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