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Business Segments And Geographic Areas (Narrative) (Details) - segment
12 Months Ended
Nov. 30, 2022
Nov. 30, 2021
Nov. 30, 2020
Segment Reporting Information [Line Items]      
Number of Operating Segments 2    
Flavor Solutions [Member] | PepsiCo, Inc. [Member] | Revenue Benchmark | Customer Concentration Risk      
Segment Reporting Information [Line Items]      
Percentage of consolidated sales 11.00% 11.00% 11.00%
Consumer [Member] | Wal-Mart Stores, Inc. [Member] | Revenue Benchmark | Customer Concentration Risk      
Segment Reporting Information [Line Items]      
Percentage of consolidated sales 12.00% 11.00% 12.00%