Operating And Reporting Segments (Schedule of interest expense depreciation & amortization additions & UE income (loss)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Segment Reporting Information [Line Items]
Interest expense	$ 220,147	$ 201,539	$ 214,256
Total depreciation and amortization	87,408	79,123	63,908
Total net additions (disposals) to operating properties and equipment	(41,355)	(21,338)	(118,928)
Equity in earnings (loss) from unconsolidated entities	105,184	73,376	45,885
Property, plant and equipment, net	115,557	143,164
Homebuilding East [Member]
Segment Reporting Information [Line Items]
Interest expense	71,439	65,437	65,123
Total depreciation and amortization	13,529	10,860	8,955
Total net additions (disposals) to operating properties and equipment	251	350	97
Equity in earnings (loss) from unconsolidated entities	532	2,254	678
Homebuilding Central [Member]
Segment Reporting Information [Line Items]
Interest expense	26,745	24,593	28,534
Total depreciation and amortization	6,640	5,568	3,569
Total net additions (disposals) to operating properties and equipment	(18)	578	201
Equity in earnings (loss) from unconsolidated entities	57	(131)	(87)
Homebuilding West [Member]
Segment Reporting Information [Line Items]
Interest expense	70,397	58,999	63,106
Total depreciation and amortization	17,683	14,533	10,594
Total net additions (disposals) to operating properties and equipment	(11,482)	6,719	(128,058)
Equity in earnings (loss) from unconsolidated entities	62,960	(1,647)	22,039
Homebuilding Southeast Florida [Member]
Segment Reporting Information [Line Items]
Interest expense	22,986	21,307	19,237
Total depreciation and amortization	3,348	3,039	2,047
Total net additions (disposals) to operating properties and equipment	65	(42,780)	78
Equity in earnings (loss) from unconsolidated entities	(414)	(576)	(152)
Homebuilding Houston [Member]
Segment Reporting Information [Line Items]
Interest expense	14,535	14,914	16,412
Total depreciation and amortization	3,241	3,252	2,647
Total net additions (disposals) to operating properties and equipment	0	6	0
Equity in earnings (loss) from unconsolidated entities	18	121	2,079
Homebuilding Other [Member]
Segment Reporting Information [Line Items]
Interest expense	14,045	16,289	21,844
Total depreciation and amortization	4,477	5,729	4,213
Total net additions (disposals) to operating properties and equipment	(72,472)	1,042	561
Equity in earnings (loss) from unconsolidated entities	220	(376)	(754)
Lennar Homebuilding [Member]
Segment Reporting Information [Line Items]
Interest expense	220,147	201,539	214,256
Equity in earnings (loss) from unconsolidated entities	63,373	(355)	23,803
Companys Share Of Valuation Adjustments Related To Assets Included In Equity Loss		4,587
Lennar Financial Services [Member]
Segment Reporting Information [Line Items]
Lennar Financial Services interest income, net	13,547	6,585	5,154
Total depreciation and amortization	6,100	4,539	2,755
Total net additions (disposals) to operating properties and equipment	3,306	4,502	3,648
Rialto [Member]
Segment Reporting Information [Line Items]
Interest expense	43,127	36,531	13,163
Total depreciation and amortization	7,758	7,367	5,588
Total net additions (disposals) to operating properties and equipment	9,382	4,361	4,052
Equity in earnings (loss) from unconsolidated entities	22,293	59,277	22,353
Lennar Multifamily [Member]
Segment Reporting Information [Line Items]
Total depreciation and amortization	1,110	595	484
Total net additions (disposals) to operating properties and equipment	2,147	1,907	92
Equity in earnings (loss) from unconsolidated entities	19,518	14,454	(271)
Property, plant and equipment, net	621	15,740
Corporate And Unallocated [Member]
Segment Reporting Information [Line Items]
Total depreciation and amortization	23,522	23,641	23,056
Total net additions (disposals) to operating properties and equipment	27,466	1,977	401
Homebuilding West Joint Venture [Member] | Homebuilding West [Member]
Segment Reporting Information [Line Items]
Equity in earnings (loss) from unconsolidated entities	82,794	4,680	19,769
Companys Share Of Valuation Adjustments Related To Assets Included In Equity Loss		4,250
Operating Property Sale [Member]
Segment Reporting Information [Line Items]
Property, plant and equipment, net	132,710
Operating Property Sale [Member] | Homebuilding West [Member]
Segment Reporting Information [Line Items]
Property, plant and equipment, net	59,397		$ 127,054
Operating Property Sale [Member] | Homebuilding Southeast Florida [Member]
Segment Reporting Information [Line Items]
Property, plant and equipment, net		$ 44,100
Operating Property Sale [Member] | Homebuilding Other [Member]
Segment Reporting Information [Line Items]
Property, plant and equipment, net	$ 73,313