Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2011

Goodwill and Intangible Assets [Abstract]

5)	Goodwill and Intangible Assets

The balance of goodwill by segment and the activity occurring in the past two fiscal years is as follows:


	Minerals and Materials		Environmental		Oilfield Services		Consolidated

Balance at December 31, 2009	$	18,426	$	21,762	$	30,968	$	71,156

Change in goodwill relating to:
Acquisitions		-		761		-		761
Foreign exchange translation		(225)		(783)		-		(1,008)

Total changes		(225)		(22)		-		(247)

Balance at December 31, 2010		18,201		21,740		30,968		70,909

Change in goodwill relating to:
Sale of business		-		(156)		-		(156)
Foreign exchange translation		(817)		(427)		-		(1,244)

Total changes		(817)		(583)		-		(1,400)

Balance at December 31, 2011		17,384		21,157		30,968		69,509

Intangible assets were as follows:


	December 31, 2011						December 31, 2010
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Intangibles subject to amortization:
Trademarks	$	1,623	$	(1,533)	$	90	$	1,690	$	(1,283)	$	407
Patents		6,890		(6,807)		83		6,824		(6,701)		123
Customer related assets		47,069		(19,678)		27,391		48,460		(16,710)		31,750
Non-compete agreements		2,153		(2,053)		100		2,195		(2,051)		144
Developed technology		4,040		(1,998)		2,042		4,040		(1,592)		2,448
Other		2,492		(1,672)		820		3,221		(1,587)		1,634

Subtotal		64,267		(33,741)		30,526		66,430		(29,924)		36,506
Intangibles not subject to amortization:
Trademarks and tradenames		6,084		-		6,084		6,084		-		6,084

Total		70,351		(33,741)		36,610		72,514		(29,924)		42,590

Intangible assets with finite lives are being amortized primarily on a straight-line basis over their estimated useful lives. The weighted average amortization period of our intangible assets with finite lives is 11 years. We did not recognize any material impairment charge in either of the years included above with respect to intangible assets. Amortization expense on intangible assets for each of the years ended December 31, 2011, 2010, and 2009 was $4,783, $5,056, and $6,669, respectively. We estimate amortization expense of intangible assets for the future years ending December 31 will approximate the following amounts:


	Amount
2012	$	4,157
2013		3,913
2014		3,585
2015		3,414
2016		3,384

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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