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Variable Interest Entities (Tables)
3 Months Ended
Mar. 31, 2023
Equity Method Investments and Joint Ventures [Abstract]  
Schedule of Variable Interest Entities
The following table presents information regarding activity in the Company’s Alternative Energy Partnership Investments for the three months ended March 31, 2023 and 2022.
Three Months Ended
(Dollars in millions)Mar 31, 2023Mar 31, 2022
Fundings$— $— 
Cash Distribution from Investment0.5 0.4 
Income (Loss) on Investments in Alternative Energy Partnership0.7 (16.7)
Income Tax (Recapture) Credits Recognized(0.1)3.9 
Tax (Expense) Benefit Recognized from Alternative Energy Partnership(0.2)3.1 
The following table represents the carrying value of the associated assets and liabilities and the associated maximum loss exposure of the Alternative Energy Partnership Investments as of March 31, 2023 and December 31, 2022.
(Dollars in millions)Mar 31, 2023Dec 31, 2022
Cash$2.9 $3.0 
Equipment, Net of Depreciation259.1 261.7 
Other Assets5.7 5.1 
Total Unconsolidated Assets267.7 269.7 
Maximum Loss Exposure17.0 16.3