Goodwill and Other Identifiable Intangible Assets - Changes in Carrying Amount of Goodwill by Segment (Detail) $ in Millions	3 Months Ended
Mar. 31, 2021 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 2,392.2
Purchase Accounting Adjustments	1.5
Foreign currency translation/other	(26.5)
Ending Balance	2,367.2
Consumer Solutions
Goodwill [Roll Forward]
Beginning Balance	1,580.5
Purchase Accounting Adjustments	1.5
Foreign currency translation/other	(5.1)
Ending Balance	1,576.9
Industrial & Flow Technologies
Goodwill [Roll Forward]
Beginning Balance	811.7
Purchase Accounting Adjustments	0.0
Foreign currency translation/other	(21.4)
Ending Balance	$ 790.3

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

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-Name Accounting Standards Codification
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Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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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
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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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