Other current assets consisted of the following as of June 30, 2011 and December 31, 2010:

		June 30,		December 31,
		2011		2010
		(in thousands)
Other receivables	$	854	$	1,247
Prepaid insurance		12,141		12,375
Other prepaids		12,692		11,623
Spare parts inventory		21,850		25,333
Current deferred tax assets		37,533		49,200
Hedging assets		5,988		5,472
Gas imbalance		5,961		6,001
Income tax receivable		9,059		6,099
Investment held for sale ^(a)		0		2,835
Other		4,256		2,880
	$	110,334	$	123,065

a.In March 2011, we sold our remaining 500,000 shares of Cal Dive common stock. These sales transactions resulted in net proceeds of approximately $3.6 million and a pre-tax gain of $0.8 million. In the fourth quarter of 2010, we recognized a $2.2 million other than temporary loss on our investment in Cal Dive common shares (see Notes 2 and 3 of our 2010 Form 10-K for additional information regarding our former Investment in Cal Dive common stock).

Other assets, net, consisted of the following as of June 30, 2011 and December 31, 2010:

		June 30,		December 31,
		2011		2010
		(in thousands)
Restricted cash	$	34,476	$	35,339
Deferred drydock expenses, net		7,616		11,086
Deferred financing costs, net		30,127		25,697
Intangible assets with finite lives, net		602		636
Other		3,600		1,803
	$	76,421	$	74,561

Accrued liabilities consisted of the following as of June 30, 2011 and December 31, 2010:

		June 30,		December 31,
		2011		2010
		(in thousands)
Accrued payroll and related benefits	$	33,148	$	38,026
Royalties payable		17,115		15,008
Current asset retirement obligations		64,349		64,526
Unearned revenue		8,504		4,094
Billing in excess of cost		6,346		3,869
Accrued interest		27,347		27,308
Hedge liability		17,212		30,606
Other		16,205		14,800
	$	190,226	$	198,237