Business Segment Information (Tables)

6 Months Ended

Jun. 30, 2012

Business Segment Information [Abstract]

Schedule Of Segment Reporting Information By Segment

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2012		2011		2012		2011
		(in thousands)
Revenues -
Contracting Services	$	209,557	$	171,353	$	454,101	$	302,890
Production Facilities		19,963		20,545		39,985		36,115
Oil and Gas		149,933		172,458		328,018		341,317
Intercompany elimination		(32,059)		(26,037)		(66,783)		(50,396)
Total	$	347,394	$	338,319	$	755,321	$	629,926
Income (loss) from operations -
Contracting Services	$	19,223	$	30,565	$	78,347	$	33,831
Production Facilities		9,882		11,920		19,931		17,876
Oil and Gas		60,442		43,064		137,384		96,304
Corporate		(11,158)		(9,112)		(22,056)		(19,553)
Intercompany elimination		98		(19)		(2,922)		71
Total	$	78,487	$	76,418	$	210,684	$	128,529
Equity in earnings of equity investments	$	5,748	$	5,887	$	6,155	$	11,537

Summary Of Intercompany Segment Revenues

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2012		2011		2012		2011
		(in thousands)
Contracting Services		20,538		14,295		43,739		27,164
Production Facilities		11,521		11,742		23,044		23,232
Total	$	32,059	$	26,037	$	66,783	$	50,396

Summary Of Identifiable Assets

	June 30, 2012		December 31, 2011
		(in thousands)
Contracting Services.....................................................	$	2,176,796	$	2,006,065
Production Facilities.....................................................		534,714		534,776
Oil and Gas..................................................................		977,295		1,041,506
Total......................................................................	$	3,688,805	$	3,582,347

Intercompany Segment Profits

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2012		2011		2012		2011
		(in thousands)
Contracting Services		(55)		63		3,009		39
Production Facilities		(43)		(44)		(87)		(110)
Total	$	(98)	$	19	$	2,922	$	(71)