Business Segment Information (Tables)

3 Months Ended

Mar. 31, 2015

Business Segment Information [Abstract]

Schedule Of Reportable Segments Financial Information

	Completion
	And Remedial						Contract		Corporate and
	Services		Fluid Services		Well Servicing		Drilling		Other		Total
Three Months Ended March 31, 2015 (Unaudited)
Operating revenues	$	112,775	$	73,803	$	63,668	$	11,475	$	—	$	261,721
Direct operating costs		(81,251)		(54,132)		(52,401)		(7,525)		—		(195,309)
Segment profits	$	31,524	$	19,671	$	11,267	$	3,950	$	—	$	66,412
Depreciation and amortization	$	21,454	$	17,776	$	15,268	$	3,562	$	2,869	$	60,929
Capital expenditures (excluding acquisitions)	$	14,171	$	6,226	$	10,351	$	874	$	2,516	$	34,138
Identifiable assets	$	495,892	$	292,438	$	271,202	$	59,319	$	380,699	$	1,499,550
Three Months Ended March 31, 2014 (Unaudited)
Operating revenues	$	137,485	$	92,835	$	92,912	$	13,524	$	—	$	336,756
Direct operating costs		(86,480)		(66,782)		(69,759)		(9,166)		—		(232,187)
Segment profits	$	51,005	$	26,053	$	23,153	$	4,358	$	—	$	104,569
Depreciation and amortization	$	15,727	$	16,063	$	13,980	$	3,210	$	2,725	$	51,705
Capital expenditures (excluding acquisitions)	$	16,567	$	9,628	$	8,062	$	908	$	1,869	$	37,034
Identifiable assets	$	431,291	$	311,905	$	265,870	$	57,734	$	458,215	$	1,525,015

Schedule Of Reconciliation Of Operating Profit (Loss) From Segments

	Three months ended March 31,
	2015		2014
Segment profits	$	66,412	$	104,569
General and administrative expenses		(39,204)		(39,559)
Depreciation and amortization		(60,929)		(51,705)
Gain (loss) on disposal of assets		(48)		679
Operating income (loss)	$	(33,769)	$	13,984