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Leases (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
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Nov. 30, 2022 | Nov. 30, 2021 | Nov. 30, 2020
Lessee, Lease, Description [Line Items] |  |  |
Operating lease, expense | $ 8.7 | $ 9.3 | $ 9.6
Minimum |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Term of contract (in years) | 1 year |  |
Maximum |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Term of contract (in years) | 7 years |  |

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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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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918673-209980 + Details
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Period Type: | instant

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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 + Details
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Period Type: | duration

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- Details
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