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Investments In Affiliates (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
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Nov. 30, 2019 | Nov. 30, 2018 | Nov. 30, 2017
Investments in and Advances to Affiliates [Line Items] |  |  |
Results of unconsolidated affiliates, percentage | 100.00% |  |
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% |  |
Unconsolidated Affiliates [Member] |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |
Undistributed earnings of unconsolidated affiliates | $ 150.6 |  |
Royalty Income, Nonoperating | $ 19.0 | $ 18.5 | $ 17.5
Percent of income from unconsolidated operations from joint ventures | 72.00% | 76.00% | 74.00%

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