Financial Instruments and Fair Value Disclosure (Schedule Of Gains And Losses Of Financial Instruments) (Details) - USD ($) $ in Thousands	12 Months Ended
Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Schedule of Trading Securities and Other Trading Assets [Line Items]
Investments available-for-sale	$ 26	$ 0	$ 0
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	(65)	130	0
Lennar Financial Services [Member] \| Available-for-sale Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Investments available-for-sale	26	0	0
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	(65)	130	0
Loans Held For Sale [Member] \| Lennar Financial Services [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Loans held-for-sale	(4,137)	17,124	(7,927)
Mortgage Loan Commitments [Member] \| Lennar Financial Services [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Mortgage loan commitments	373	5,352	(5,378)
Forward Contracts [Member] \| Lennar Financial Services [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Derivative instruments	8,107	(9,020)	4,014
Assets [Member] \| Interest Rate Swap [Member] \| Rialto [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Derivative instruments	280	0	0
Credit Default Swap [Member] \| Assets [Member] \| Rialto [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Derivative instruments	477	(288)	0
Liability [Member] \| Interest Rate Swap [Member] \| Rialto [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Derivative instruments	398	(1,346)	(31)
Liability [Member] \| Credit Default Swap [Member] \| Rialto [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Derivative instruments	$ (148)	$ 349	$ (318)

Unrealized Gain (Loss) on Mortgage Loan Commitments

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- Definition

Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e689-108580

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580

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- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of investments, not including unrealized gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, held at each balance sheet date and included in earnings for the period.

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