Business Segments (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2023	May 31, 2022
Segment Reporting Information [Line Items]
Revenues	$ 1,659.2	$ 1,536.8	$ 3,224.7	$ 3,059.2
Operating income excluding special charges	235.0	173.8	461.8	400.9
Income from unconsolidated operations	10.3	10.4	24.3	19.7
Less: Special charges	13.2	15.1	41.0	34.6
Transaction and integration expenses	0.0	1.5	0.0	2.2
Operating income	221.8	157.2	420.8	364.1
Consumer
Segment Reporting Information [Line Items]
Revenues	912.1	866.1	1,821.6	1,792.2
Operating income excluding special charges	153.6	124.8	327.0	291.8
Income from unconsolidated operations	10.8	8.4	24.6	16.8
Less: Special charges	8.4	10.7	27.4	14.3
Transaction and integration expenses		0.0		0.0
Operating income	145.2	114.1	299.6	277.5
Flavor Solutions
Segment Reporting Information [Line Items]
Revenues	747.1	670.7	1,403.1	1,267.0
Operating income excluding special charges	81.4	49.0	134.8	109.1
Income from unconsolidated operations	(0.5)	2.0	(0.3)	2.9
Less: Special charges	4.8	4.4	13.6	20.3
Transaction and integration expenses		1.5		2.2
Operating income	76.6	43.1	121.2	86.6
Americas
Segment Reporting Information [Line Items]
Revenues	1,177.9	1,102.6	2,272.5	2,125.0
EMEA
Segment Reporting Information [Line Items]
Revenues	310.6	287.8	594.6	578.3
Asia/Pacific
Segment Reporting Information [Line Items]
Revenues	$ 170.7	$ 146.4	$ 357.6	$ 355.9