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Investments In Affiliates (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Nov. 30, 2019
Investments in and Advances to Affiliates [Line Items]      
Results of unconsolidated affiliates, percentage 100.00%    
Proceeds from Sales of Business, Affiliate and Productive Assets $ 65.4 $ 0.0 $ 0.0
Eastern      
Investments in and Advances to Affiliates [Line Items]      
Percentage ownership interest in unconsolidated affiliates businesses 26.00%    
Equity Method Investment, Ownership Percentage 26.00%    
Gain on Sale of Investments $ 13.4    
Proceeds from Sales of Business, Affiliate and Productive Assets 65.4    
Business Acquisition, Transaction Costs 1.4    
Income Taxes on Sale of Investment 5.7    
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax 1.4    
Unconsolidated Affiliates [Member]      
Investments in and Advances to Affiliates [Line Items]      
Royalty Income, Nonoperating $ 22.8 $ 19.5 $ 19.0
Percent of income from unconsolidated operations from joint ventures 62.00% 75.00% 72.00%
McCormick de Mexico, S.A. de C.V. [Member]      
Investments in and Advances to Affiliates [Line Items]      
Percentage ownership interest in unconsolidated affiliates businesses 50.00%    
Equity Method Investment, Ownership Percentage 50.00%