Business Segments (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 31, 2021
Segment Reporting Information [Line Items]
Revenues	$ 1,536.8	$ 1,556.7	$ 3,059.2	$ 3,038.2
Operating income excluding special charges and transaction and integration expenses	173.8	258.0	400.9	520.5
Income from unconsolidated operations	10.4	23.4	19.7	36.7
Less: Special charges	15.1	13.7	34.6	14.8
Transaction and integration expenses	1.5	6.9	2.2	25.7
Operating income	157.2	237.4	364.1	473.7
Cost of goods sold
Segment Reporting Information [Line Items]
Transaction and integration expenses	0.0	0.0	0.0	6.3
Consumer
Segment Reporting Information [Line Items]
Revenues	866.1	945.2	1,792.2	1,892.0
Operating income excluding special charges and transaction and integration expenses	124.8	176.8	291.8	366.7
Income from unconsolidated operations	8.4	22.2	16.8	33.0
Less: Special charges	10.7	8.8	14.3	9.6
Transaction and integration expenses	0.0	3.1	0.0	7.3
Operating income	114.1	164.9	277.5	345.8
Consumer | Cost of goods sold
Segment Reporting Information [Line Items]
Transaction and integration expenses				4.0
Flavor Solutions
Segment Reporting Information [Line Items]
Revenues	670.7	611.5	1,267.0	1,146.2
Operating income excluding special charges and transaction and integration expenses	49.0	81.2	109.1	153.8
Income from unconsolidated operations	2.0	1.2	2.9	3.7
Less: Special charges	4.4	4.9	20.3	5.2
Transaction and integration expenses	1.5	3.8	2.2	18.4
Operating income	43.1	72.5	86.6	127.9
Flavor Solutions | Cost of goods sold
Segment Reporting Information [Line Items]
Transaction and integration expenses				2.3
Americas
Segment Reporting Information [Line Items]
Revenues	1,102.6	1,081.4	2,125.0	2,046.2
EMEA
Segment Reporting Information [Line Items]
Revenues	287.8	304.9	578.3	607.3
Asia/Pacific
Segment Reporting Information [Line Items]
Revenues	$ 146.4	$ 170.4	$ 355.9	$ 384.7