Business Segment Information (Tables)

12 Months Ended

Dec. 31, 2014

Business Segment Information

Schedule of summarized financial information concerning reportable segments

(in thousands)	TechnicalServices		SupportServices		Corporate			Loss on disposition of assets, net			Total
2014
Revenues	$	2,180,457	$	156,956	$	—		$	—		$	2,337,413
Operating profit (loss)		390,004		42,510		(17,072	)		(15,472	)		399,970
Capital expenditures		342,932		27,148		1,422			—			371,502
Depreciation and amortization		198, 636		31,578		599			—			230,813
Identifiable assets		1,514,084		157,688		87,586						1,759,358
2013
Revenues	$	1,729,732	$	131,757	$	—		$	—		$	1,861,489
Operating profit (loss)		276,246		26,223		(17,685	)		(9,371	)		275,413
Capital expenditures		167,586		32,250		1,845			—			201,681
Depreciation and amortization		181,026		31,417		685			—			213,128
Identifiable assets		1,113,877		202,243		67,740			—			1,383,860
2012
Revenues	$	1,794,015	$	151,008	$	—		$	—		$	1,945,023
Operating profit (loss)		420,231		45,912		(17,654	)		(6,099	)		442,390
Capital expenditures		277,686		46,053		5,197			—			328,936
Depreciation and amortization		183,762		30,707		430			—			214,899
Identifiable assets		1,128,124		175,611		63,428			—			1,367,163

Schedule of revenues are presented based on the location of the use of the product or service

Years ended December 31,	2014			2013			2012
(in thousands)
United States Revenues		$	2,249,260		$	1,795,592		$	1,870,815
International Revenues			88,153			65,897			74,208
		$	2,337,413		$	1,861,489		$	1,945,023