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Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Jun. 30, 2020
Long-term Debt, Unclassified [Abstract]    
Long-term debt $ 226.7 $ 226.7
Long-term debt discount (2.1) (2.3)
Net long-term debt $ 224.6 $ 224.4