Financial Instruments (Schedule Of Gains And Losses Of Financial Instruments) (Details) (Lennar Financial Services [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	May 31, 2012	May 31, 2011	May 31, 2012	May 31, 2011
Loans Held-For-Sale [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Gains and losses of financial instruments	$ 3,598	$ 2,841	$ 2,291	$ 2,694
Mortgage Loan Commitments [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Gains and losses of financial instruments	5,743	1,147	7,185	3,664
Forward Contracts [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Gains and losses of financial instruments	$ (4,765)	$ (1,705)	$ (4,030)	$ (6,371)