Goodwill and Other Intangible Assets, Goodwill (Details) $ in Millions	9 Months Ended
Sep. 30, 2021 USD ($)
Goodwill.
Goodwill, Beginning Balance	$ 5,032.1
Acquisition-related	868.4
Foreign currency translation	(61.1)
Goodwill, Ending Balance	5,839.4
Interconnect Products and Assemblies
Goodwill.
Goodwill, Beginning Balance	4,874.5
Acquisition-related	856.9
Foreign currency translation	(61.0)
Goodwill, Ending Balance	5,670.4
Cable Products and Solutions
Goodwill.
Goodwill, Beginning Balance	157.6
Acquisition-related	11.5
Foreign currency translation	(0.1)
Goodwill, Ending Balance	$ 169.0

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/disclosureRef
-Publisher FASB
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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.

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