East Tennessee Materials and Energy Corporation (“M&EC”) (Tables)
|9 Months Ended|
Sep. 30, 2017
|Asset Retirement Obligation Disclosure [Abstract]|
|Schedule of Change in Asset Retirement Obligation||
The following reflects changes to the closure liabilities for the M&EC subsidiary from year end 2016:
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://www.xbrl.org/2003/role/presentationRef