Business Segments (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2024	May 31, 2023
Segment Reporting Information [Line Items]
Revenues	$ 1,643.2	$ 1,659.2	$ 3,245.9	$ 3,224.7
Operating income excluding special charges	235.9	235.0	473.6	461.8
Income from unconsolidated operations	16.8	10.3	38.1	24.3
Less: Special charges	1.8	13.2	6.0	41.0
Operating income	234.1	221.8	467.6	420.8
Consumer
Segment Reporting Information [Line Items]
Revenues	904.5	912.1	1,826.0	1,821.6
Operating income excluding special charges	149.3	153.6	325.6	327.0
Income from unconsolidated operations	16.1	10.8	37.6	24.6
Less: Special charges	1.5	8.4	3.3	27.4
Operating income	147.8	145.2	322.3	299.6
Flavor Solutions
Segment Reporting Information [Line Items]
Revenues	738.7	747.1	1,419.9	1,403.1
Operating income excluding special charges	86.6	81.4	148.0	134.8
Income from unconsolidated operations	0.7	(0.5)	0.5	(0.3)
Less: Special charges	0.3	4.8	2.7	13.6
Operating income	86.3	76.6	145.3	121.2
Americas
Segment Reporting Information [Line Items]
Revenues	1,166.4	1,177.9	2,283.5	2,272.5
EMEA
Segment Reporting Information [Line Items]
Revenues	307.3	310.6	614.0	594.6
APAC
Segment Reporting Information [Line Items]
Revenues	$ 169.5	$ 170.7	$ 348.4	$ 357.6