XML 82 R69.htm IDEA: XBRL DOCUMENT v3.10.0.1
Segment Information (Reconciliation Statement Of Segment Income from Operations To Consolidated Income Before Income Taxes) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Segment Reporting [Abstract]        
Net income $ 43,306 $ 37,160 $ 103,291 $ 88,828
Provision for (benefit from) income taxes (3,366) 319 (3,910) 1,159
Interest expense, net 3,498 5,161 7,620 14,059
Depreciation, depletion and amortization 30,549 30,701 60,252 62,622
Accretion on asset retirement obligations 6,993 7,623 13,985 15,246
Amortization of sales contracts, net 3,248 14,352 6,299 29,042
Net loss resulting from early retirement of debt and debt restructuring 485 31 485 2,061
Non-service related pension and postretirement benefit costs (68) 232 1,235 953
Reorganization items, net 740 21 1,041 2,849
Adjusted EBITDA $ 85,385 $ 95,600 $ 190,298 $ 216,819