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Capital Stock and Earnings Per Share - Antidilutive Securities not Considered in Earnings Per Share Calculation (Details) - shares shares in Millions | 3 Months Ended | 9 Months Ended
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Aug. 31, 2024 | Aug. 31, 2023 | Aug. 31, 2024 | Aug. 31, 2023
Earnings Per Share, Basic and Diluted EPS [Abstract] |  |  |  |
Anti-dilutive securities | 3.6 | 1.8 | 3.4 | 1.8

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- Definition Earnings Per Share, Basic and Diluted EPS + References No definition available. + Details
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Namespace Prefix: | mkc_
Data Type: | xbrli:stringItemType
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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Period Type: | duration