Business Segment Information (Tables)

3 Months Ended

Mar. 31, 2012

Business Segment Information [Abstract]

Schedule Of Segment Reporting Information By Segment

		Three Months Ended
		March 31,
		2012						2011
		(in thousands)
Revenues ─
Contracting Services.............................................	$	244,544					$	131,537
Production Facilities..............................................		20,022						15,570
Oil and Gas...........................................................		178,085						168,859
Intercompany elimination.......................................		(34,724			)			(24,359			)
Total...............................................................	$	407,927					$	291,607
Income (loss) from operations ─
Contracting Services..............................................			$	59,124					$	3,266
Production Facilities..............................................				10,049						5,956
Oil and Gas...........................................................				76,942						53,240
Corporate..............................................................				(10,898		)				(10,441		)
Intercompany elimination........................................				(3,020		)				90
Total...............................................................			$	132,197					$	52,111
Equity in earnings of equity investments.......................			$	407					$	5,650

Summary Of Intercompany Segment Revenues

		Three Months Ended
		March 31,
		2012		2011
		(in thousands)
Contracting Services...........................................	$	23,201	$	12,869
Production Facilities...........................................		11,523		11,490
Total......................................................	$	34,724	$	24,359

Summary Of Identifiable Assets

	March 31, 2012		December 31, 2011
		(in thousands)
Identifiable Assets ─
Contracting Services..............................................	$	2,128,639	$	2,006,065
Production Facilities...............................................		534,155		534,776
Oil and Gas...........................................................		1,002,149		1,041,506
Total................................................................	$	3,664,943	$	3,582,347

Intercompany Segment Profits

		Three Months Ended
		March 31,
		2012			2011
		(in thousands)
Contracting Services..........................................	$	3,064		$	(24	)
Production Facilities...........................................		(44	)		(66	)
Total......................................................	$	3,020		$	(90	)