Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill by Segment (Details) $ in Millions	9 Months Ended
Sep. 30, 2020 USD ($)
Goodwill
Beginning balance	$ 2,179.6
Acquisition	6.8
Purchase accounting adjustments	(1.6)
Foreign currency translation	4.8
Ending balance	2,189.6
Electronics
Goodwill
Beginning balance	1,223.4
Acquisition	0.0
Purchase accounting adjustments	(1.6)
Foreign currency translation	17.7
Ending balance	1,239.5
Industrial & Specialty
Goodwill
Beginning balance	956.2
Acquisition	6.8
Purchase accounting adjustments	0.0
Foreign currency translation	(12.9)
Ending balance	$ 950.1

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://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
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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.

+ References

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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