Goodwill and Other Intangible Assets (Goodwill) (Details) $ in Millions	6 Months Ended
Jun. 30, 2018 USD ($)
Goodwill [Roll Forward]
December 31, 2017	$ 8,820.3
Additions	660.2
Goodwill related to assets held for sale	(79.1)
Other	2.2
Currency translation adjustments	(14.2)
June 30, 2018	9,389.4
RF Technology
Goodwill [Roll Forward]
December 31, 2017	4,798.9
Additions	660.2
Goodwill related to assets held for sale	0.0
Other	2.2
Currency translation adjustments	(4.6)
June 30, 2018	5,456.7
Medical & Scientific Imaging
Goodwill [Roll Forward]
December 31, 2017	3,205.9
Additions	0.0
Goodwill related to assets held for sale	(79.1)
Other	0.0
Currency translation adjustments	(4.4)
June 30, 2018	3,122.4
Industrial Technology
Goodwill [Roll Forward]
December 31, 2017	377.5
Additions	0.0
Goodwill related to assets held for sale	0.0
Other	0.0
Currency translation adjustments	(2.5)
June 30, 2018	375.0
Energy Systems & Controls
Goodwill [Roll Forward]
December 31, 2017	438.0
Additions	0.0
Goodwill related to assets held for sale	0.0
Other	0.0
Currency translation adjustments	(2.7)
June 30, 2018	$ 435.3

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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