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.

No definition available.

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- Definition

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=66004124&loc=SL7669646-108580

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580

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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 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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Topic 230
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-Section 45
-Paragraph 28
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-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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Financial Instruments and Fair Value Disclosures - (Schedule Of Gains And Losses Of Financial Instruments) (Details) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended		9 Months Ended
	Aug. 31, 2017	May 31, 2017	Aug. 31, 2016	May 31, 2016	May 31, 2017	May 31, 2016	Aug. 31, 2017	Aug. 31, 2016
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items]
Changes in fair value included in other comprehensive income (loss), net of tax	$ 165		$ 639				$ 1,556	$ 1,121
Fair Value, Measurements, Recurring
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items]
Changes in fair value included in other comprehensive income (loss), net of tax	165		639				1,556	1,121
Fair Value, Measurements, Recurring \| Lennar Financial Services \| RMF loans held-for-sale
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items]
Changes in fair value included in revenue	(5,804)		(2,808)				18,233	826
Fair Value, Measurements, Recurring \| Lennar Financial Services \| Mortgage loan commitments
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items]
Changes in fair value included in revenue	(829)		1,781				10,106	7,603
Fair Value, Measurements, Recurring \| Lennar Financial Services \| Forward contracts
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items]
Changes in fair value included in revenue	1,267		(362)				(31,996)	(2,542)
Fair Value, Measurements, Recurring \| Lennar Financial Services \| Investments available-for-sale
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items]
Changes in fair value included in revenue	0		31				(4)	37
Fair Value, Measurements, Recurring \| Rialto \| Liability \| Credit default swaps
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items]
Changes in fair value included in revenue		$ 15		$ 183	$ 124	$ 173
Fair Value, Measurements, Recurring \| Rialto \| Liability \| Interest rate swaps and swap futures
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items]
Changes in fair value included in revenue	(1,412)		(133)				(2,312)	740
Fair Value, Measurements, Recurring \| Rialto \| Assets \| Credit default swaps
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items]
Changes in fair value included in revenue	$ (536)		$ (1,570)				$ (1,852)	$ (1,547)