Goodwill and Intangible Assets - Goodwill and Changes in Carrying Amount of Goodwill by Operating Segment (Details) $ in Millions	9 Months Ended
Sep. 30, 2020 USD ($)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 685.7
Acquisition of businesses	570.1
Currency translation	24.2
Goodwill, Ending Balance	1,280.0
Specialty Engineered Materials
Goodwill [Roll Forward]
Goodwill, Beginning Balance	236.3
Acquisition of businesses	0.0
Currency translation	0.1
Goodwill, Ending Balance	236.4
Color, Additives and Inks
Goodwill [Roll Forward]
Goodwill, Beginning Balance	447.8
Acquisition of businesses	570.1
Currency translation	24.1
Goodwill, Ending Balance	1,042.0
Distribution
Goodwill [Roll Forward]
Goodwill, Beginning Balance	1.6
Acquisition of businesses	0.0
Currency translation	0.0
Goodwill, Ending Balance	$ 1.6

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.

+ References

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

+ References

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