Business Segments And Geographic Areas (Revenue from External Customers by Products and Services) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2025	Nov. 30, 2024	Nov. 30, 2023
Segment Reporting Information [Line Items]
Total net sales	$ 6,840.3	$ 6,723.7	$ 6,662.2
Consumer Segment | Spices & seasoning
Segment Reporting Information [Line Items]
Total net sales	1,707.6	1,651.0	1,578.3
Consumer Segment | Recipe mixes
Segment Reporting Information [Line Items]
Total net sales	439.1	437.7	430.5
Consumer Segment | Condiments & sauces
Segment Reporting Information [Line Items]
Total net sales	950.9	936.6	921.0
Consumer Segment | Regional leaders
Segment Reporting Information [Line Items]
Total net sales	852.7	823.2	877.5
Flavor Solutions Segment | Flavors
Segment Reporting Information [Line Items]
Total net sales	1,619.9	1,618.6	1,585.7
Flavor Solutions Segment | Branded foodservice
Segment Reporting Information [Line Items]
Total net sales	614.1	615.1	598.4
Flavor Solutions Segment | Custom condiments
Segment Reporting Information [Line Items]
Total net sales	329.3	336.8	317.1
Flavor Solutions Segment | Coatings, bulk spices & herbs
Segment Reporting Information [Line Items]
Total net sales	$ 326.7	$ 304.7	$ 353.7