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Debt Schedule of Debt (Tables)
6 Months Ended
Jun. 30, 2021
Debt Disclosure [Abstract]  
Schedule of Debt
A summary of debt is as follows (in millions):
June 30, 2021December 31, 2020
MaturityCurrentLong-TermCurrentLong-Term
8.25% Notes:Feb. 2027
Principal
$— $74.3 $— $74.3 
Interest
6.1 30.6 6.1 33.7 
Total$6.1 $104.9 $6.1 $108.0