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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		6 Months Ended
	May 31, 2021	May 31, 2020	May 31, 2021	May 31, 2020
Mortgage servicing rights
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 1,499	$ 12,576	$ 2,113	$ 24,679
Purchases/loan originations	20	607	443	1,354
Sales/loan originations sold, including those not settled	0	0	0	0
Disposals/settlements	(58)	(8,908)	(1,095)	(10,197)
Changes in fair value	1,141	(3,037)	1,141	(14,598)
Interest and principal paydowns	0	0	0	0
Ending balance	2,602	1,238	2,602	1,238
LMF Commercial loans held-for-sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	123,148	300,402	193,588	197,224
Purchases/loan originations	201,296	5,400	420,796	417,650
Sales/loan originations sold, including those not settled	(155,740)	(143,285)	(438,705)	(457,724)
Disposals/settlements	(7,300)	0	(7,300)	0
Changes in fair value	2,825	(2,334)	(3,942)	3,267
Interest and principal paydowns	(309)	(298)	(517)	(532)
Ending balance	$ 163,920	159,885	$ 163,920	159,885
Mortgage Servicing Rights Servicing Portfolio
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Disposals/settlements		$ (7,500)		$ (7,500)

X

- Definition

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Interest and Principal Pay downs

+ References

No definition available.

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- Definition

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases and Issuances

+ References

No definition available.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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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

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- Definition

Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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-Publisher FASB
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-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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