Goodwill and Other Intangible Assets, Net - Summary of Impairment Charges Allocated to Reporting Segments (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2018
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 4,270.8	$ 4,270.8
Food and Appliances Segment [Member]
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	1,639.7	1,639.7
Home and Outdoor Living Segment [Member]
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	2,385.1	2,385.1
Learning and Development Segment [Member]
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 246.0	$ 246.0

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275

Name:	us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration