Additional Balance Sheet Details

9 Months Ended

Sep. 30, 2015

Disclosure Text Block [Abstract]

Supplemental Balance Sheet Disclosures

Note 8. Additional Balance Sheet Details

Trade and Other Receivables, Net

	September 30,		December 31,
In thousands	2015		2014
Commodity derivatives settlement receivables	$	53,103	$	59,755
Trade accounts receivable, net	35,495		45,407
Federal income tax receivable, net	—		37,652
Other receivables	29,859		14,141
Total	$	118,457	$	156,955

Accounts Payable and Accrued Liabilities

	September 30,		December 31,
In thousands	2015		2014
Accrued interest	$	45,844	$	48,255
Accrued compensation	43,864		62,513
Accrued taxes other than income	41,253		39,816
Accrued lease operating expenses	36,609		56,798
Accounts payable	34,661		64,604
Accrued exploration and development costs	14,836		90,939
Other	33,447		31,833
Total	$	250,514	$	394,758