Business Segments (Detail) - USD ($) $ in Millions	3 Months Ended
Feb. 29, 2020	Feb. 28, 2019
Segment Reporting Information [Line Items]
Revenues	$ 1,212.0	$ 1,231.5
Operating income	194.2	196.9
Less: Special charges	1.0	2.1
Operating income excluding special charges	195.2	199.0
Income from unconsolidated operations	10.4	10.1
Consumer
Segment Reporting Information [Line Items]
Revenues	699.5	744.9
Operating income	119.0	133.8
Less: Special charges	0.6	1.5
Operating income excluding special charges	119.6	135.3
Income from unconsolidated operations	7.8	7.9
Flavor Solutions
Segment Reporting Information [Line Items]
Revenues	512.5	486.6
Operating income	75.2	63.1
Less: Special charges	0.4	0.6
Operating income excluding special charges	75.6	63.7
Income from unconsolidated operations	2.6	2.2
Americas [Member]
Segment Reporting Information [Line Items]
Revenues	819.6	807.0
Europe Middle East And Africa [Member]
Segment Reporting Information [Line Items]
Revenues	250.3	242.8
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Revenues	$ 142.1	$ 181.7

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(12))
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(10))
-URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263

Reference 3: 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 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(13)(f))
-URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570

Name:	us-gaap_IncomeLossFromEquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration