East Tennessee Materials and Energy Corporation (M&EC) (Tables) |
6 Months Ended | ||||||||||||||||||||||||||||||
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Jun. 30, 2018 | |||||||||||||||||||||||||||||||
| Asset Retirement Obligation Disclosure [Abstract] | |||||||||||||||||||||||||||||||
| Schedule of Change in Asset Retirement Obligation |
The following reflects changes to the closure liabilities for the M&EC facility from year end 2017:
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- References No definition available.
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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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