Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill by Segment (Details) $ in Millions	6 Months Ended
Jun. 30, 2020 USD ($)
Goodwill
Beginning balance	$ 2,179.6
Purchase accounting adjustments	(1.7)
Foreign currency translation	(44.0)
Ending balance	2,133.9
Electronics
Goodwill
Beginning balance	1,223.4
Purchase accounting adjustments	(1.7)
Foreign currency translation	(12.6)
Ending balance	1,209.1
Industrial & Specialty
Goodwill
Beginning balance	956.2
Purchase accounting adjustments	0.0
Foreign currency translation	(31.4)
Ending balance	$ 924.8

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))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 45
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-Section 45
-Paragraph 1
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- Definition

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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-Section 50
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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 16
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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