Business Segment Information (Tables)

12 Months Ended

Dec. 31, 2016

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
2016
Revenues	$	679,654		$	49,320		$	—		$	—		$	728,974
Operating (loss)		(203,804	)		(26,021	)		(17,037	)		7,920			(238,942	)
Capital expenditures		28,380			2,928			2,630			—			33,938
Depreciation and amortization		191,181			25,606			471			—			217,258
Identifiable assets		733,008			76,876			225,568			—			1,035,452
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

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

Years ended December 31,	2016		2015		2014
(in thousands)
United States Revenues	$	677,755	$	1,191,704	$	2,249,260
International Revenues		51,219		72,136		88,153
	$	728,974	$	1,263,840	$	2,337,413