Intangible Assets And Goodwill (Tables)

9 Months Ended

Sep. 30, 2011

Intangible Assets And Goodwill [Abstract]

Intangible Assets

				Accumulated
September 30, 2011	Gross			Amortization			Net
Intangible assets with finite lives:
Purchased technology	$	98,870		$	(50,535	)	$	48,335
Customer relationships		18,800			(7,306	)		11,494
Contract backlog		7,500			(7,195	)		305
Non-compete agreements		4,380			(3,058	)		1,322
IPR&D, with finite lives		2,450			(516	)		1,934
Trademarks and trade names		1,240			(577	)		663
Effect of exchange rate changes		(694	)		464			(230	)
Total intangible assets with finite lives		132,546			(68,723	)		63,823
IPR&D, with indefinite lives		461						461
Total intangible assets	$	133,007		$	(68,723	)	$	64,284
				Accumulated
December 31, 2010	Gross			Amortization			Net
Intangible assets with finite lives:
Purchased technology	$	98,870		$	(30,126	)	$	68,744
Customer relationships		18,800			(3,929	)		14,871
Contract backlog		7,500			(4,879	)		2,621
Non-compete agreements		4,380			(1,415	)		2,965
IPR&D, with finite lives		2,450			(148	)		2,302
Trademarks and trade names		1,240			(267	)		973
Effect of exchange rate changes		(766	)		74			(692	)
Total intangible assets with finite lives		132,474			(40,690	)		91,784
IPR&D, with indefinite lives		461						461
Total intangible assets	$	132,935		$	(40,690	)	$	92,245

Future Amortization Expense Of Purchased Intangible Assets With Finite Lives

For the Years Ending December 31,	(Thousands)
2011 (remaining three months)	$	9,255
2012		19,680
2013		14,560
2014		14,408
2015		5,920
Total	$	63,823

Changes In The Carrying Amount Of Goodwill

Balance at December 31, 2010	$	135,564
Effect of exchange rate changes		56
Balance at September 30, 2011	$	135,620