Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill by Segment (Details) $ in Millions	9 Months Ended
Sep. 30, 2021 USD ($)
Goodwill
Beginning balance	$ 2,252.7
Acquisition	313.5
Foreign currency translation and other	(32.8)
Ending balance	2,533.4
Electronics
Goodwill
Beginning balance	1,274.0
Acquisition	21.9
Foreign currency translation and other	(6.5)
Ending balance	1,289.4
Industrial & Specialty
Goodwill
Beginning balance	978.7
Acquisition	291.6
Foreign currency translation and other	(26.3)
Ending balance	$ 1,244.0

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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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
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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.

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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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