Business Segments (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021
Segment Reporting Information [Line Items]
Revenues	$ 1,595.6	$ 1,549.4	$ 4,654.8	$ 4,587.6
Operating income excluding special charges and transaction and integration expenses	238.6	272.3	639.5	792.8
Income from unconsolidated operations	7.5	9.1	27.2	45.8
Less: Special charges	3.4	5.8	38.0	20.6
Transaction and integration expenses	0.0	1.3	2.2	27.0
Operating income	235.2	265.2	599.3	738.9
Cost of goods sold
Segment Reporting Information [Line Items]
Transaction and integration expenses	0.0	0.0	0.0	6.3
Consumer
Segment Reporting Information [Line Items]
Revenues	927.9	921.9	2,720.1	2,813.9
Operating income excluding special charges and transaction and integration expenses	183.7	187.8	475.5	554.5
Income from unconsolidated operations	6.6	6.7	23.4	39.7
Less: Special charges	1.8	3.5	16.1	13.1
Transaction and integration expenses		0.2	0.0	7.5
Operating income	181.9	184.1	459.4	529.9
Consumer | Cost of goods sold
Segment Reporting Information [Line Items]
Transaction and integration expenses				4.0
Flavor Solutions
Segment Reporting Information [Line Items]
Revenues	667.7	627.5	1,934.7	1,773.7
Operating income excluding special charges and transaction and integration expenses	54.9	84.5	164.0	238.3
Income from unconsolidated operations	0.9	2.4	3.8	6.1
Less: Special charges	1.6	2.3	21.9	7.5
Transaction and integration expenses		1.1	2.2	19.5
Operating income	53.3	81.1	139.9	209.0
Flavor Solutions | Cost of goods sold
Segment Reporting Information [Line Items]
Transaction and integration expenses				2.3
Americas
Segment Reporting Information [Line Items]
Revenues	1,141.7	1,084.5	3,266.8	3,130.7
EMEA
Segment Reporting Information [Line Items]
Revenues	262.9	283.4	841.2	890.7
Asia/Pacific
Segment Reporting Information [Line Items]
Revenues	$ 191.0	$ 181.5	$ 546.8	$ 566.2