Intangible Contract Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2020

Revenue Recognition [Abstract]

Schedule Of Intangible Assets And Liabilities

The balances, net of accumulated amortization, and respective balance sheet classifications at September 30, 2020 and December 31, 2019, are set forth in the following tables:

	September 30, 2020
	Assets		Liabilities		Net Total
	(Dollars in millions)
Coal supply agreements	$	8.8	$	(18.1)	$	(9.3)
Take-or-pay contracts	—		(33.4)		(33.4)
Total	$	8.8	$	(51.5)	$	(42.7)
Balance sheet classification:
Investments and other assets	$	8.8	$	—	$	8.8
Accounts payable and accrued expenses	—		(4.4)		(4.4)
Other noncurrent liabilities	—		(47.1)		(47.1)
Total	$	8.8	$	(51.5)	$	(42.7)
	December 31, 2019
	Assets		Liabilities		Net Total
	(Dollars in millions)
Coal supply agreements	$	20.7	$	(21.4)	$	(0.7)
Take-or-pay contracts	—		(40.0)		(40.0)
Total	$	20.7	$	(61.4)	$	(40.7)
Balance sheet classification:
Investments and other assets	$	20.7	$	—	$	20.7
Accounts payable and accrued expenses	—		(8.4)		(8.4)
Other noncurrent liabilities	—		(53.0)		(53.0)
Total	$	20.7	$	(61.4)	$	(40.7)