Goodwill and Other Intangible Assets, Goodwill (Details) $ in Millions	6 Months Ended
Jun. 30, 2019 USD ($)
Goodwill.
Goodwill, Beginning Balance	$ 4,103.2
Acquisition-related	612.8
Foreign currency translation	(9.9)
Goodwill, Ending Balance	4,706.1
Interconnect Products and Assemblies
Goodwill.
Goodwill, Beginning Balance	3,956.7
Acquisition-related	602.2
Foreign currency translation	(9.9)
Goodwill, Ending Balance	4,549.0
Cable Products and Solutions
Goodwill.
Goodwill, Beginning Balance	146.5
Acquisition-related	10.6
Foreign currency translation	0.0
Goodwill, Ending Balance	$ 157.1

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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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