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Other (Expense) Income, Net
 12 Months Ended
Dec. 31, 2020
Other Income and Expenses [Abstract]  
OTHER (EXPENSE) INCOME, NET OTHER (EXPENSE) INCOME, NET
"Other (expense) income, net," as reported in the Consolidated Statements of Operations, consisted of the following:
Year Ended December 31,
 (dollars in millions)202020192018
Loss on debt extinguishment$(45.7)$(60.7)$(0.4)
(Loss) gain on derivative contracts(9.0)13.4 0.4 
Gain on sale of equity investment— — 11.3 
Other income, net3.0 1.1 3.5 
Total$(51.7)$(46.2)$14.8