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Business Segments And Geographic Areas (Narrative) (Details)	12 Months Ended
	Nov. 30, 2020	Nov. 30, 2019	Nov. 30, 2018
Flavor Solutions [Member] | PepsiCo, Inc. [Member]
Segment Reporting Information [Line Items]
Percentage of consolidated sales	11.00%	10.00%	10.00%
Consumer [Member] | Wal-Mart Stores, Inc. [Member]
Segment Reporting Information [Line Items]
Percentage of consolidated sales	12.00%	11.00%	11.00%

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No definition available.

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