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Note 12 - Segment and Related Information (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Segment Reporting Information, by Segment [Table Text Block]

		Year Ended December 31,
(In thousands)		2012				2011				2010

Revenues
Fluids Systems & Engineering		$	861,670			$	798,957			$	597,795
Mats & Integrated Services			122,283				110,411				69,397
Environmental Services			54,066				48,812				48,762
Total Revenues		$	1,038,019			$	958,180			$	715,954

Depreciation and Amortization
Fluids Systems & Engineering		$	18,419			$	17,126			$	15,253
Mats & Integrated Services			7,952				7,581				7,672
Environmental Services			3,875				3,016				3,169
Corporate Office			2,575				1,248				916
Total Depreciation and Amortization		$	32,821			$	28,971			$	27,010

Operating Income (loss)
Fluids Systems & Engineering		$	59,987			$	90,683			$	56,234
Mats & Integrated Services			54,251				52,678				26,684
Environmental Services			13,622				11,909				13,447
Corporate Office			(21,963	)			(22,506	)			(18,361	)
Operating Income		$	105,897			$	132,764			$	78,004

Segment Assets
Fluids Systems & Engineering		$	790,147			$	673,794			$	476,677
Mats & Integrated Services			81,252				93,078				79,957
Environmental Services			76,604				70,122				69,058
Corporate			46,538				49,843				111,650
Total Assets		$	994,541			$	886,837			$	737,342

Capital Expenditures
Fluids Systems & Engineering		$	27,916			$	16,033			$	7,033
Mats & Integrated Services			8,174				7,629				2,253
Environmental Services			1,558				1,693				738
Corporate			6,307				11,542				2,110
Total Capital Expenditures		$	43,955			$	36,897			$	12,134

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

		Year Ended December 31,
(In thousands)		2012				2011				2010

Revenue
United States		$	738,150			$	690,205			$	516,786
Canada			48,643				51,713				23,846
EMEA			121,175				115,319				113,295
Latin America and Mexico			88,157				76,355				62,027
Asia Pacific			41,894				24,588				-
Total Revenue		$	1,038,019			$	958,180			$	715,954

Long-Lived Assets
United States		$	304,954			$	252,751			$	243,194
Canada			11,830				11,730				12,334
EMEA			30,729				25,814				26,380
Latin America and Mexico			11,158				12,920				14,904
Asia Pacific			31,539				29,463				-
Total Long-Lived Assets		$	390,210			$	332,678			$	296,812

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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