Business Segment Information (Tables)

12 Months Ended

Dec. 31, 2011

Business Segment Information [Abstract]

Schedule Of Segment Reporting Information


	Completion and Remedial Services			Fluid Services			Well Servicing			Contract Drilling			Corporate and Other		Total
*Year ended December 31, 2011*
Operating revenues	$	537,134		$	332,010		$	333,057		$	41,054		$	—	$	1,243,255
Direct operating costs		(297,276	)		(211,959	)		(228,723	)		(28,154	)		—	$	(766,112	)

Segment profits	$	239,858		$	120,051		$	104,334		$	12,900		$	—	$	477,143

Depreciation and amortization	$	45,651		$	42,612		$	48,016		$	9,994		$	8,068	$	154,341
Capital expenditures, (excluding acquisitions)	$	57,928		$	51,543		$	46,805		$	53,112		$	12,451	$	221,839
Identifiable assets	$	398,664		$	241,720		$	280,992		$	77,402		$	461,150	$	1,459,928
*Year ended December 31, 2010*
Operating revenues	$	261,436		$	241,164		$	204,872		$	20,767		$	—	$	728,239
Direct operating costs		(156,573	)		(178,152	)		(156,885	)		(15,250	)		—	$	(506,860	)

Segment profits	$	104,863		$	63,012		$	47,987		$	5,517		$	—	$	221,379

Depreciation and amortization	$	33,538		$	38,745		$	50,530		$	5,171		$	7,017	$	135,001
Capital expenditures, (excluding acquisitions)	$	15,795		$	18,247		$	23,797		$	2,435		$	3,305	$	63,579
Identifiable assets	$	215,503		$	185,057		$	248,441		$	28,375		$	352,437	$	1,029,813
*Year ended December 31, 2009*
Operating revenues	$	134,818		$	214,822		$	160,614		$	16,373		$	—	$	526,627
Direct operating costs		(95,287	)		(159,079	)		(121,618	)		(13,604	)		—	$	(389,588	)

Segment profits	$	39,531		$	55,743		$	38,996		$	2,769		$	—	$	137,039

Depreciation and amortization	$	31,313		$	37,594		$	49,005		$	7,237		$	7,371	$	132,520
Capital expenditures, (excluding acquisitions)	$	10,247		$	12,303		$	16,037		$	2,368		$	2,412	$	43,367
Identifiable assets	$	194,988		$	195,107		$	244,556		$	41,320		$	363,570	$	1,039,541

Schedule Of Reconciliation Of Operating Profit (Loss) From Segments


	Year ended December 31,
	2011			2010			2009
Segment profits	$	477,143		$	221,379		$	137,039
General and administrative expenses		(142,264	)		(107,781	)		(104,253	)
Depreciation and amortization		(154,341	)		(135,001	)		(132,520	)
Gain (loss) on disposal of assets		(447	)		(2,856	)		(2,650	)
Goodwill impairment		—			—			(204,014	)

Operating income (loss)	$	180,091		$	(24,259	)	$	(306,398	)

- Definition

Tabular disclosure of all significant reconciling items in the reconciliation of total profit or loss from reportable segments, to the entity's consolidated income before income taxes, extraordinary items, and discontinued operations.

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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