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Debt Schedule of Debt (Tables)
12 Months Ended
Dec. 31, 2020
Debt Disclosure [Abstract]  
Schedule of Debt
A summary of debt follows (in millions):
December 31, 2020December 31, 2019
MaturityCurrentLong-TermCurrentLong-Term
8.25% Notes:Feb. 2027
Principal
$— $74.3 $— $74.3 
Interest
6.1 33.7 6.1 39.8 
Total$6.1 $108.0 $6.1 $114.1