Business Segments And Geographic Areas (Narrative) (Details) - Revenue Benchmark - Customer Concentration Risk	12 Months Ended
Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2019
Flavor Solutions [Member] \| PepsiCo, Inc. [Member]
Segment Reporting Information [Line Items]
Percentage of consolidated sales	11.00%	11.00%	10.00%
Consumer [Member] \| Wal-Mart Stores, Inc. [Member]
Segment Reporting Information [Line Items]
Percentage of consolidated sales	11.00%	12.00%	11.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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