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Debt and Financing Obligation (Tables)
9 Months Ended
Sep. 30, 2020
Debt Disclosure [Abstract]  
Schedule of Total Debt
Total debt and financing obligation, including the current portion of the financing obligation, consisted of the following:
September 30, 2020December 31, 2019
 
(Dollars in millions)
7.50 percent senior notes, due 2025 ("2025 Senior Notes")
$630.5 $650.0 
$400.0 million revolving credit facility, due 2024 ("Revolving Facility")
104.3 143.3 
5.82 percent financing obligation, due 2021 ("Financing Obligation")
5.1 7.2 
Total borrowings739.9 800.5 
Original issue discount(3.7)(4.3)
Debt issuance costs(11.4)(13.3)
Total debt and financing obligation$724.8 $782.9 
Less: current portion of financing obligation5.1 2.9 
Total long-term debt and financing obligation$719.7 $780.0