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Segment and Related Information (Tables)

12 Months Ended

Dec. 31, 2011

Segment and Related Information [Abstract]

Summary of financial information concerning reportable segments


		Year Ended December 31,
		2011				2010				2009
		(In thousands)
Revenues
Fluids Systems & Engineering		$	798,957			$	597,795			$	409,450
Mats & Integrated Services			110,411				69,397				37,476
Environmental Services			48,812				48,762				43,349

Total Revenues		$	958,180			$	715,954			$	490,275

Depreciation and Amortization
Fluids Systems & Engineering		$	17,126			$	15,253			$	13,739
Mats & Integrated Services			7,581				7,672				10,309
Environmental Services			3,016				3,169				3,339
Corporate Office			1,248				916				751

Total Depreciation and Amortization		$	28,971			$	27,010			$	28,138

Operating Income (loss)
Fluids Systems & Engineering		$	90,683			$	56,234			$	1,994
Mats & Integrated Services			52,678				26,684				(7,840	)
Environmental Services			11,909				13,447				7,711
Corporate Office			(22,506	)			(18,361	)			(17,190	)

Operating Income (loss)		$	132,764			$	78,004			$	(15,325	)

Segment Assets
Fluids Systems & Engineering		$	673,794			$	476,677			$	409,054
Mats & Integrated Services			93,078				79,957				77,868
Environmental Services			70,122				69,058				66,966
Corporate			49,843				111,650				31,226

Total Assets		$	886,837			$	737,342			$	585,114

Capital Expenditures
Fluids Systems & Engineering		$	16,033			$	7,033			$	12,748
Mats & Integrated Services			7,629				2,253				4,604
Environmental Services			1,693				738				865
Corporate			11,542				2,110				326

Total Capital Expenditures		$	36,897			$	12,134			$	18,544

Revenues by geographic location


		Year Ended December 31,
		2011				2010				2009
		(In thousands)
Revenue
United States		$	690,205			$	516,786			$	334,986
Canada			51,713				23,846				13,432
EMEA			115,319				113,295				115,926
Latin America and Mexico			76,355				62,027				25,931
Asia Pacific			24,588				—				—

Total Revenue		$	958,180			$	715,954			$	490,275

Long-Lived Assets
United States		$	252,751			$	243,194			$	253,630
Canada			11,730				12,334				12,075
EMEA			25,814				26,380				27,076
Latin America and Mexico			12,920				14,904				14,735
Asia Pacific			29,463				—				—

Total Long-Lived Assets		$	332,678			$	296,812			$	307,516

Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries.

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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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