Business Segment Information (Tables)

12 Months Ended

Dec. 31, 2015

Business Segment Information [Abstract]

Schedule Of Reportable Segments Financial Information

	Completion and
	Remedial		Fluid		Well		Contract		Corporate
	Services		Services		Servicing		Drilling		and Other		Total
Year ended December 31, 2015
Operating revenues	$	307,550	$	258,597	$	217,245	$	22,207	$	—	$	805,599
Direct operating costs		(245,069)		(196,155)		(184,952)		(16,680)		—		(642,856)
Segment profits	$	62,481	$	62,442	$	32,293	$	5,527	$	—	$	162,743
Depreciation and amortization	$	83,882	$	71,280	$	60,466	$	14,083	$	11,760	$	241,471
Capital expenditures,
(excluding acquisitions)	$	22,384	$	19,950	$	18,732	$	2,431	$	6,323	$	69,820
Identifiable assets	$	365,574	$	257,036	$	233,293	$	51,930	$	253,536	$	1,161,369
Year ended December 31, 2014
Operating revenues	$	698,917	$	369,774	$	361,683	$	60,910	$	—	$	1,491,284
Direct operating costs		(434,457)		(265,105)		(270,344)		(41,513)		—		(1,011,419)
Segment profits	$	264,460	$	104,669	$	91,339	$	19,397	$	—	$	479,865
Depreciation and amortization	$	74,924	$	64,445	$	55,131	$	12,773	$	10,207	$	217,480
Capital expenditures,
(excluding acquisitions)	$	168,017	$	71,112	$	54,858	$	9,311	$	8,196	$	311,494
Identifiable assets	$	514,842	$	299,542	$	276,696	$	60,362	$	445,735	$	1,597,177
Year ended December 31, 2013
Operating revenues	$	501,137	$	343,863	$	363,386	$	54,518	$	—	$	1,262,904
Direct operating costs		(327,540)		(239,154)		(265,058)		(36,336)		—		(868,088)
Segment profits	$	173,597	$	104,709	$	98,328	$	18,182	$	—	$	394,816
Depreciation and amortization	$	62,609	$	63,316	$	60,474	$	12,815	$	10,533	$	209,747
Capital expenditures,
(excluding acquisitions)	$	59,345	$	66,992	$	39,001	$	4,576	$	17,601	$	187,515
Identifiable assets	$	432,267	$	320,404	$	289,017	$	59,868	$	441,783	$	1,543,339

Schedule Of Reconciliation Of Operating Profit (Loss) From Segments

	Year ended December 31,
	2015	2014	2013
Segment profits	$           162,743	$       479,865	$       394,816
General and administrative expenses	(143,458)	(167,301)	(171,439)
Depreciation and amortization	(241,471)	(217,480)	(209,747)
Loss on disposal of assets	(1,602)	(1,974)	(2,873)
Goodwill impairment	(81,877)	(34,703)	-
Operating income	$         (305,665)	$         58,407	$         10,757