3. ADDITIONAL BALANCE SHEET INFORMATION

Certain balance sheet amounts are comprised of the following:

	June 30,			December 31,
(In thousands)	2013			2012

Accounts receivable, net
Trade accounts	$	193,695		$	165,070
Joint interest accounts	6,694			5,659
Other accounts	6,260			2,817
	206,649			173,546
Allowance for doubtful accounts	(1,679		)	(1,127		)

	$	204,970		$	172,419
Inventories
Natural gas in storage	$	8,629		$	7,494
Tubular goods and well equipment	9,274			6,392
Other accounts	373			287

	$	18,276		$	14,173
Other current assets
Prepaid balances and other	4,889			2,158

	$	4,889		$	2,158
Other assets
Deferred compensation plan	$	11,416		$	10,608
Debt issuance cost	15,578			17,420
Equity method investment	11,501			6,915
Other accounts	78			83

	$	38,573		$	35,026
Accounts payable
Trade accounts	$	19,134		$	14,037
Natural gas purchases	6,335			4,892
Royalty and other owners	81,743			66,321
Accrued capital costs	184,891			164,862
Taxes other than income	6,947			10,224
Drilling advances	51,026			44,203
Producer gas imbalances	1,368			1,602
Other accounts	5,407			6,339

	$	356,851		$	312,480
Accrued liabilities
Employee benefits	$	20,779		$	16,011
Postretirement benefits	1,304			1,304
Taxes other than income	11,374			8,735
Interest payable	22,128			22,329
Derivative instruments	—			192
Other accounts	2,986			1,218

	$	58,571		$	49,789
Other liabilities
Deferred compensation plan	$	30,385		$	23,893
Other accounts	15,723			16,282

	$	46,108		$	40,175