Business Segments (Detail) - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
Segment Reporting Information [Line Items]
Revenues	$ 1,522.4	$ 1,481.5
Operating income excluding special charges and transaction and integration expenses	227.1	262.5
Income from unconsolidated operations	9.3	13.3
Less: Special charges	19.5	1.1
Transaction and integration expenses	0.7	18.8
Operating income	206.9	236.3
Cost of goods sold
Segment Reporting Information [Line Items]
Transaction and integration expenses	0.0	6.3
Consumer
Segment Reporting Information [Line Items]
Revenues	926.1	946.8
Operating income excluding special charges and transaction and integration expenses	167.0	189.9
Income from unconsolidated operations	8.4	10.8
Less: Special charges	3.6	0.8
Transaction and integration expenses	0.0	4.2
Operating income	163.4	180.9
Consumer | Cost of goods sold
Segment Reporting Information [Line Items]
Transaction and integration expenses		4.0
Flavor Solutions
Segment Reporting Information [Line Items]
Revenues	596.3	534.7
Operating income excluding special charges and transaction and integration expenses	60.1	72.6
Income from unconsolidated operations	0.9	2.5
Less: Special charges	15.9	0.3
Transaction and integration expenses	0.7	14.6
Operating income	43.5	55.4
Flavor Solutions | Cost of goods sold
Segment Reporting Information [Line Items]
Transaction and integration expenses		2.3
Americas
Segment Reporting Information [Line Items]
Revenues	1,022.5	964.8
EMEA
Segment Reporting Information [Line Items]
Revenues	290.5	302.4
Asia/Pacific
Segment Reporting Information [Line Items]
Revenues	$ 209.4	$ 214.3