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Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended															3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Assets subject to amortization Customer related intangibles	Dec. 31, 2012 Assets subject to amortization Customer related intangibles	Mar. 31, 2013 Assets subject to amortization Unpatented technology	Dec. 31, 2012 Assets subject to amortization Unpatented technology	Mar. 31, 2013 Assets subject to amortization Software	Dec. 31, 2012 Assets subject to amortization Software	Mar. 31, 2013 Assets subject to amortization Patents and other protective rights	Dec. 31, 2012 Assets subject to amortization Patents and other protective rights	Mar. 31, 2013 Assets subject to amortization Trade secrets	Dec. 31, 2012 Assets subject to amortization Trade secrets	Mar. 31, 2013 Assets subject to amortization Trade names	Mar. 31, 2013 Assets not subject to amortization Trade names	Dec. 31, 2012 Assets not subject to amortization Trade names	Mar. 31, 2013 Industrial Technology	Mar. 31, 2013 Energy Systems And Controls	Mar. 31, 2013 Medical And Scientific Imaging	Mar. 31, 2013 RF Technology
Goodwill [Line Items]
Balances	$ 3,868,857															$ 421,755	$ 404,057	$ 1,772,402	$ 1,270,643
Other	445															0	0	0	445
Currency translation adjustments	(21,224)															(6,167)	(2,491)	(6,136)	(6,430)
Balances	3,848,078															415,588	401,566	1,766,266	1,264,658
Schedule Of Other Intangible Assets By Major Class [Line Items]
Cost			1,502,897	1,509,339	206,867	198,609	160,153	160,520	30,272	40,399	1,500	1,500		329,771	331,590
Accumulated amortization			(400,227)	(379,535)	(103,202)	(97,487)	(47,744)	(44,256)	(20,894)	(20,312)	(1,500)	(1,500)	0
Net book value			1,102,670	1,129,804	103,665	101,122	112,409	116,264	9,378	20,087	0	0		329,771	331,590
Amortization expense of other intangible assets	$ 33,084	$ 25,034

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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