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Business Combinations - Transaction and Integration Expenses (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
May 31, 2021 | May 31, 2020 | May 31, 2021 | May 31, 2020
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |
Business Combination, Integration Related Costs | $ 6,900,000 |  | $ 11,900,000 |
Total transaction and integration costs | 6,900,000 |  | 32,000,000.0 |
Transaction and integration expenses | 6,900,000 | $ 0 | 25,700,000 | $ 0
Cost of Sales |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |
Transaction and integration expenses | 0 |  | 6,300,000 |
Selling, General and Administrative Expenses |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |
Transaction and integration expenses | $ 0 |  | $ 13,800,000 |

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- Definition Total transaction and integration costs + References No definition available. + Details
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Namespace Prefix: | mkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
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Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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Balance Type: |
Period Type: |