Business Segments (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2023	Aug. 31, 2022
Segment Reporting Information [Line Items]
Revenues	$ 1,684.7	$ 1,595.6	$ 4,909.4	$ 4,654.8
Operating income excluding special charges	251.1	238.6	712.9	639.5
Income from unconsolidated operations	13.4	7.5	37.7	27.2
Less: Special charges	6.1	3.4	47.1	38.0
Transaction and integration expenses	0.0	0.0	0.0	2.2
Operating income	245.0	235.2	665.8	599.3
Consumer
Segment Reporting Information [Line Items]
Revenues	937.1	927.9	2,758.7	2,720.1
Operating income excluding special charges	173.3	183.7	500.3	475.5
Income from unconsolidated operations	11.9	6.6	36.5	23.4
Less: Special charges	2.2	1.8	29.6	16.1
Transaction and integration expenses				0.0
Operating income	171.1	181.9	470.7	459.4
Flavor Solutions
Segment Reporting Information [Line Items]
Revenues	747.6	667.7	2,150.7	1,934.7
Operating income excluding special charges	77.8	54.9	212.6	164.0
Income from unconsolidated operations	1.5	0.9	1.2	3.8
Less: Special charges	3.9	1.6	17.5	21.9
Transaction and integration expenses				2.2
Operating income	73.9	53.3	195.1	139.9
Americas
Segment Reporting Information [Line Items]
Revenues	1,203.3	1,141.7	3,475.8	3,266.8
EMEA
Segment Reporting Information [Line Items]
Revenues	304.4	262.9	899.0	841.2
APAC
Segment Reporting Information [Line Items]
Revenues	$ 177.0	$ 191.0	$ 534.6	$ 546.8