Details Of Certain Accounts (Tables)

3 Months Ended

Mar. 31, 2012

Details Of Certain Accounts [Abstract]

Other Current Assets

	March 31,		December 31,
	2012		2011
	(in thousands)
Other receivables	$	4,771	$	5,096
Prepaid insurance		6,637		12,701
Other prepaids		10,200		13,271
Spare parts inventory		16,614		18,066
Current deferred tax assets		44,442		41,449
Hedging assets		17,785		21,579
Gas and oil imbalance		4,175		5,134
Other		5,045		4,325
Total other current assets	$	109,669	$	121,621

Other Assets, Net

	March 31,		December 31,
	2012		2011
	(in thousands)
Restricted cash	$	32,819	$	33,741
Deferred drydock expenses, net		9,445		5,381
Deferred financing costs, net		28,081		26,483
Intangible assets with finite lives, net		520		531
Other		4,173		2,771
Total other assets, net	$	75,038	$	68,907

Accrued Liabilities

	March 31,		December 31,
	2012		2011
	(in thousands)
Accrued payroll and related benefits	$	37,489	$	49,599
Royalties payable		16,011		19,391
Current asset retirement obligations		82,339		93,183
Unearned revenue		7,724		7,654
Billing in excess of cost		8,361		28,839
Accrued interest		9,619		24,028
Hedging liability		15,167		1,247
Gas and oil imbalance		3,601		4,177
Other		16,503		11,845
Total accrued liabilities	$	196,814	$	239,963