Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill [Line Items]
Balances	$ 4,710,691	$ 4,549,998
Goodwill acquired	1,196,451	207,943
Goodwill related to divestiture of business	(20,524)
Currency translation adjustments	(62,016)	(50,488)
Reclassification and other	124	3,238
Balances	5,824,726	4,710,691	$ 4,549,998
Schedule Of Other Intangible Assets By Major Class [Line Items]
Cost	3,312,795	2,738,747
Accumulated amortization	(783,799)	(760,018)
Net book value	2,528,996	1,978,729
Amortization expense of other intangible assets	164,000	153,000	147,000
Expected Amortization expense [Abstract]
2016	188,000
2017	178,000
2018	170,000
2019	162,000
2020	156,000
Assets subject to amortization | Customer Relationships [Member]
Schedule Of Other Intangible Assets By Major Class [Line Items]
Cost	2,448,509	1,975,334
Accumulated amortization	(602,615)	(543,594)
Net book value	1,845,894	1,431,740
Assets subject to amortization | Unpatented Technology [Member]
Schedule Of Other Intangible Assets By Major Class [Line Items]
Cost	270,170	217,260
Accumulated amortization	(117,405)	(134,702)
Net book value	152,765	82,558
Assets subject to amortization | Software [Member]
Schedule Of Other Intangible Assets By Major Class [Line Items]
Cost	161,201	156,449
Accumulated amortization	(44,298)	(62,882)
Net book value	116,903	93,567
Assets subject to amortization | Patents and other protective rights Memeber
Schedule Of Other Intangible Assets By Major Class [Line Items]
Cost	24,160	26,463
Accumulated amortization	(18,659)	(18,325)
Net book value	5,501	8,138
Assets subject to amortization | Backlog [Member]
Schedule Of Other Intangible Assets By Major Class [Line Items]
Cost	700	1,100
Accumulated amortization	(700)	(443)
Net book value	0	657
Assets subject to amortization | Trade Names [Member]
Schedule Of Other Intangible Assets By Major Class [Line Items]
Cost	595	622
Accumulated amortization	(122)	(72)
Net book value	473	550
Assets not subject to amortization | Trade Names [Member]
Schedule Of Other Intangible Assets By Major Class [Line Items]
Cost	407,460	361,519
Accumulated amortization	0	0
Net book value	407,460	361,519
Medical And Scientific Imaging
Goodwill [Line Items]
Balances	2,594,356	2,435,506
Goodwill acquired	476,106	174,347
Goodwill related to divestiture of business	0
Currency translation adjustments	(31,556)	(18,847)
Reclassification and other	291	3,350
Balances	3,039,197	2,594,356	2,435,506
RF Technology
Goodwill [Line Items]
Balances	1,280,788	1,254,294
Goodwill acquired	720,345	33,596
Goodwill related to divestiture of business	0
Currency translation adjustments	(7,667)	(7,102)
Reclassification and other	(167)	0
Balances	1,993,299	1,280,788	1,254,294
Industrial Technology
Goodwill [Line Items]
Balances	408,964	425,501
Goodwill acquired	0	0
Goodwill related to divestiture of business	(20,524)
Currency translation adjustments	(14,407)	(16,537)
Reclassification and other	0	0
Balances	374,033	408,964	425,501
Energy Systems And Controls
Goodwill [Line Items]
Balances	426,583	434,697
Goodwill acquired	0	0
Goodwill related to divestiture of business	0
Currency translation adjustments	(8,386)	(8,002)
Reclassification and other	0	(112)
Balances	$ 418,197	$ 426,583	$ 434,697