Financial Services Segment (Schedule Of Loan Origination Liabilities) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2019	Aug. 31, 2018
Loss Contingency Accrual [Roll Forward]
Origination liabilities assumed related to CalAtlantic acquisition	$ 0	$ 20,500	$ 0	$ 24,459
Financial Services \| Loss origination liability
Loss Contingency Accrual [Roll Forward]
Loan origination liabilities, beginning of period	7,424	28,016	48,584	22,543
Provision for losses	1,006	1,059	2,593	2,696
Payments/settlements	(109)	(124)	(42,856)	(247)
Loan origination liabilities, end of period	$ 8,321	$ 49,451	$ 8,321	$ 49,451

Loss Contingency Accrual, Increase for Business Acquisitions

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

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Amount of cash outflow reducing loss contingency liability.

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Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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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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