Goodwill And Intangible Assets (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2011

Dec. 31, 2010

Goodwill And Intangible Assets [Abstract]

Components Of Other Purchased Intangible Assets, Net

	September 30, 2011
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
(Dollars in thousands)
Developed product technology	$	443,339	$	(178,892	)	$	264,447
Trade names and trademarks		34,917		(18,066	)		16,851
Customer relationships		286,475		(85,765	)		200,710
Distribution rights and other intellectual properties		63,932		(29,764	)		34,168
	$	828,663	$	(312,487	)	$	516,176

	December 31, 2010
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
(Dollars in thousands)
Developed product technology	$	247,575	$	(148,171	)	$	99,404
Trade names and trademarks		22,136		(16,449	)		5,687
Customer relationships		143,125		(68,104	)		75,021
Distribution rights and other intellectual properties		50,207		(25,371	)		24,836
	$	463,043	$	(258,095	)	$	204,948

Estimated Future Amortization Expense Of Intangible Assets

(Dollars in thousands)
2011 (Remaining)	$	29,162
2012		108,794
2013		101,944
2014		79,841
2015		68,056
Thereafter		128,379
Total	$	516,176

Changes In Carrying Amount Of Goodwill By Operating Segment

	Engineering and Construction			Field Solutions			Mobile Solutions			Advanced Devices			Total
(Dollars in thousands)
Balance as of December 31, 2010	$	432,364		$	26,211		$	348,166		$	21,996		$	828,737
Additions due to Tekla acquisition		246,640			45,061			—			—			291,701
Additions due to other acquisitions		37,977			—			162,307			2,163			202,447
Purchase price adjustments		242			—			395			—			637
Foreign currency translation adjustments		(8,584	)		(1,649	)		(486	)		(323	)		(11,042	)
Balance as of September 30, 2011	$	708,639		$	69,623		$	510,382		$	23,836		$	1,312,480