Commitments And Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments And Contingencies and Other Matters [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

		ROVs and Vessels		Facilities and Other		Total
2013	$	84,409	$	1,948	$	86,357
2014		87,942		3,077		91,019
2015		86,155		3,620		89,775
2016		60,019		3,289		63,308
2017		38,188		3,153		41,341
Thereafter		4,905		22,778		27,683
Total lease commitments	$	361,618	$	37,865	$	399,483