Business Segment Information (Tables)

12 Months Ended

Dec. 31, 2015

Business Segment Information

Schedule of summarized financial information concerning reportable segments

(in thousands)	Technical Services			Support Services			Corporate			Loss on disposition of assets, net			Total
2015
Revenues	$	1,175,293		$	88,547		$	—		$	—		$	1,263,840
Operating (loss)		(132,982	)		(2,363	)		(14,515	)		(6,417	)		(156,277	)
Capital expenditures		155,361			11,055			1,010			—			167,426
Depreciation and amortization		237,778			32,697			502			—			270,977
Identifiable assets		976,761			108,262			152,071			—			1,237,094
2014
Revenues	$	2,180,457		$	156,956		$	—		$	—		$	2,337,413
Operating profit (loss)		390,004			42,510			(16,113	)		(15,472	)		400,929
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			(15,659	)		(9,371	)		277,439
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

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

Years ended December 31,	2015		2014		2013
(in thousands)
United States Revenues	$	1,191,704	$	2,249,260	$	1,795,592
International Revenues		72,136		88,153		65,897
	$	1,263,840	$	2,337,413	$	1,861,489