Business Segments (Detail) - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2023	Feb. 28, 2022
Segment Reporting Information [Line Items]
Revenues	$ 1,565.5	$ 1,522.4
Operating income excluding special charges	226.8	227.1
Income from unconsolidated operations	14.0	9.3
Less: Special charges	27.8	19.5
Transaction and integration expenses	0.0	0.7
Operating income	199.0	206.9
Consumer
Segment Reporting Information [Line Items]
Revenues	909.5	926.1
Operating income excluding special charges	173.4	167.0
Income from unconsolidated operations	13.8	8.4
Less: Special charges	19.0	3.6
Transaction and integration expenses		0.0
Operating income	154.4	163.4
Flavor Solutions
Segment Reporting Information [Line Items]
Revenues	656.0	596.3
Operating income excluding special charges	53.4	60.1
Income from unconsolidated operations	0.2	0.9
Less: Special charges	8.8	15.9
Transaction and integration expenses		0.7
Operating income	44.6	43.5
Americas
Segment Reporting Information [Line Items]
Revenues	1,094.7	1,022.5
EMEA
Segment Reporting Information [Line Items]
Revenues	283.9	290.5
Asia/Pacific
Segment Reporting Information [Line Items]
Revenues	$ 186.9	$ 209.4