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Financial Instruments and Fair Value Disclosures - (Reconciliation Of Beginning And Ending Balance For The Company's Level 3 Recurring Fair Value Measurements) (Details) - Financial Services - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Aug. 31, 2021 | Aug. 31, 2020 | Aug. 31, 2021 | Aug. 31, 2020
Mortgage servicing rights |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | $ 2,602 | $ 1,238 | $ 2,113 | $ 24,679
Purchases/loan originations | 56 | 563 | 499 | 1,917
Sales/loan originations sold, including those not settled | 0 | 0 | 0 | 0
Disposals/settlements | (127) | (34) | (1,222) | (10,231)
Changes in fair value | (149) | (411) | 992 | (15,009)
Interest and principal paydowns | 0 | 0 | 0 | 0
Ending balance | 2,382 | 1,356 | 2,382 | 1,356
LMF Commercial loans held-for-sale |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 163,920 | 159,885 | 193,588 | 197,224
Purchases/loan originations | 178,669 | 164,380 | 599,465 | 582,030
Sales/loan originations sold, including those not settled | (226,357) | (164,527) | (665,062) | (622,251)
Disposals/settlements | (4,092) | 0 | (11,392) | 0
Changes in fair value | 1,391 | (1,165) | (2,551) | 2,102
Interest and principal paydowns | (402) | (1,542) | (919) | (2,074)
Ending balance | $ 113,129 | $ 157,031 | $ 113,129 | 157,031
Mortgage Servicing Rights Servicing Portfolio |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Disposals/settlements |  |  |  | $ (7,500)

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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases and Issuances + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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