Business Segments (Detail) - USD ($) $ in Millions	3 Months Ended
	Feb. 29, 2024	Feb. 28, 2023
Segment Reporting Information [Line Items]
Revenues	$ 1,602.7	$ 1,565.5
Operating income excluding special charges	237.7	226.8
Income from unconsolidated operations	21.3	14.0
Less: Special charges	4.2	27.8
Operating income	233.5	199.0
Consumer
Segment Reporting Information [Line Items]
Revenues	921.5	909.5
Operating income excluding special charges	176.3	173.4
Income from unconsolidated operations	21.5	13.8
Less: Special charges	1.8	19.0
Operating income	174.5	154.4
Flavor Solutions
Segment Reporting Information [Line Items]
Revenues	681.2	656.0
Operating income excluding special charges	61.4	53.4
Income from unconsolidated operations	(0.2)	0.2
Less: Special charges	2.4	8.8
Operating income	59.0	44.6
Americas
Segment Reporting Information [Line Items]
Revenues	1,117.1	1,094.7
EMEA
Segment Reporting Information [Line Items]
Revenues	306.7	283.9
APAC
Segment Reporting Information [Line Items]
Revenues	$ 178.9	$ 186.9