XML 61 R44.htm IDEA: XBRL DOCUMENT v3.4.0.3
Major classes of assets and liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Mar. 31, 2015
Current assets:      
Total current assets held for sale $ 57,753 $ 24,581 $ 91,205
Noncurrent assets:      
Total noncurrent assets held for sale 97,549 166,734 1,113,529
Current liabilities:      
Total current liabilities held for sale 17,170 47,603 82,313
Noncurrent liabilities:      
Total noncurrent liabilities held for sale 0 0 122,850
Discontinued operations, held-for-sale or disposed of by sale [Member]      
Current assets:      
Receivables, net 3,619 13,387 58,125
Inventories 1,308 1,308 8,526
Commodity derivative instruments 0 0 7,127
Income taxes receivable 50,478 9,665 12,666
Prepayments and other current assets 2,348 221 4,761
Total current assets held for sale 57,753 24,581 91,205
Noncurrent assets:      
Investments 37 37 37
Net property, plant and equipment 9,363 793,422 1,110,592
Deferred income taxes 86,614 127,655 0
Other 161 161 2,900
Less allowance for impairment of assets held for sale (1,374) 754,541 0
Total noncurrent assets held for sale 97,549 166,734 1,113,529
Total assets held for sale 155,302 191,315 1,204,734
Current liabilities:      
Long-term debt due within one year 0 0 754
Accounts payable 7,963 25,013 54,623
Taxes payable 35 1,052 4,125
Deferred income taxes 3,620 3,620 4,398
Accrued compensation 761 13,080 2,891
Other accrued liabilities 4,791 4,838 15,522
Total current liabilities held for sale 17,170 47,603 82,313
Noncurrent liabilities:      
Deferred income taxes 0 0 69,456
Asset retirement obligations 0 0 53,202
Other liabilities 0 0 192
Total noncurrent liabilities held for sale 0 0 122,850
Total liabilities held for sale $ 17,170 $ 47,603 $ 205,163