Business Segments (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2024	Aug. 31, 2023
Segment Reporting Information [Line Items]
Revenues	$ 1,679.8	$ 1,684.7	$ 4,925.7	$ 4,909.4
Operating income excluding special charges	288.4	251.1	762.0	712.9
Income from unconsolidated operations	17.9	13.4	56.0	37.7
Less: Special charges	1.9	6.1	7.9	47.1
Operating income	286.5	245.0	754.1	665.8
Consumer
Segment Reporting Information [Line Items]
Revenues	937.4	937.1	2,763.4	2,758.7
Operating income excluding special charges	186.8	173.3	512.4	500.3
Income from unconsolidated operations	17.1	11.9	54.7	36.5
Less: Special charges	0.5	2.2	3.8	29.6
Operating income	186.3	171.1	508.6	470.7
Flavor Solutions
Segment Reporting Information [Line Items]
Revenues	742.4	747.6	2,162.3	2,150.7
Operating income excluding special charges	101.6	77.8	249.6	212.6
Income from unconsolidated operations	0.8	1.5	1.3	1.2
Less: Special charges	1.4	3.9	4.1	17.5
Operating income	100.2	73.9	245.5	195.1
Americas
Segment Reporting Information [Line Items]
Revenues	1,209.3	1,203.3	3,492.7	3,475.8
EMEA
Segment Reporting Information [Line Items]
Revenues	295.4	304.4	909.4	899.0
APAC
Segment Reporting Information [Line Items]
Revenues	$ 175.1	$ 177.0	$ 523.6	$ 534.6