Financial Instruments and Fair Value Disclosures - (Reconciliation Of Beginning And Ending Balance For The Company's Level 3 Recurring Fair Value Measurements) (Details) - Lennar Financial Services - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2026	May 31, 2025	May 31, 2026	May 31, 2025
Mortgage servicing rights
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 2,783	$ 3,297	$ 3,266	$ 3,463
Purchases/loan originations	191	251	263	277
Sales/loan originations sold, including those not settled	0	0	0	0
Disposals/settlements	(72)	(56)	(123)	(153)
Changes in fair value	81	(25)	(423)	(120)
Interest and principal paydowns	0	0	0	0
Ending balance	2,983	3,467	2,983	3,467
LMF Commercial loans held-for-sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	74,793	82,794	26,401	50,316
Purchases/loan originations	73,300	180,875	156,350	308,840
Sales/loan originations sold, including those not settled	(76,250)	(190,936)	(109,575)	(285,823)
Disposals/settlements	0	0
Changes in fair value	(1,547)	(466)	(3,004)	(747)
Interest and principal paydowns	0	(64)	124	(383)
Ending balance	$ 70,296	$ 72,203	$ 70,296	$ 72,203