GOODWILL AND INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2012

GOODWILL AND INTANGIBLE ASSETS [Abstract]

Schedule of goodwill

The following table summarizes the net carrying amount of goodwill by segment at December 31, 2012 and 2011, respectively:

							Engineering
	Aerostructures						Services				Total
	2012			2011			2012		2011		2012			2011
Balance at December 31,
Gross Goodwill	$	135,431		$	11,847		$	49,536	$	42,908	$	184,967		$	54,755
Accumulated impairment loss		(5,653	)		(5,653	)		-		-		(5,653	)		(5,653	)
Net Goodwill	$	129,778		$	6,194		$	49,536	$	42,908	$	179,314		$	49,102

Finite and infinite lived intangible assets

Intangible assets primarily consist of trademarks and customer intangibles resulting from the acquisitions of Versaform Corporation, D3, Intec, TASS, and Valent. The trademark of $4,222 that resulted from acquisition of D3 was determined to have an indefinite life. The remaining trademarks resulted from the acquisitions of Intec, TASS, and Valent and have a weighted average useful life of 4.5 years. Customer intangibles have a weighted average useful life of 18.5 years. Other intangible assets have a weighted average useful life of 5.3 years. The carrying values were as follows:

	December 31,
	2012			2011
Trademarks	$	5,000		$	4,582
Customer intangible assets		68,991			21,515
Other		1,481			582
Accumulated amortization		(11,138	)		(9,037	)
Intangible assets, net	$	64,334		$	17,642

Estimated annual amortization expense

Intangibles amortization expense for 2012, 2011 and 2010 was $2,100, $3,185 and $2,137, respectively. Amortization expense for 2011 includes $1,163 for the impairment loss as discussed in Note 3. Estimated annual amortization expense for these intangibles is as follows:

Year ending December 31,
2013	$	4,647
2014		4,524
2015		4,359
2016		4,134
2017		3,915
Thereafter		38,533
Nonamortizeable		4,222
	$	64,334