Lennar Homebuilding Senior Notes And Other Debts Payable (Schedule Of Senior Notes And Other Debts Payable) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	May 31, 2012		Nov. 30, 2011
Debt Instrument [Line Items]
Mortgage notes on land and other debt	489,267		439,904
Notes payable	3,469,616		3,362,759
5.95% Senior Notes Due 2013 [Member]
Debt Instrument [Line Items]
Interest rate	5.95%
Senior Notes	267,135		266,855
5.50% Senior Notes Due 2014 [Member]
Debt Instrument [Line Items]
Interest rate	5.50%
Senior Notes	249,128		248,967
5.60% Senior Notes Due 2015 [Member]
Debt Instrument [Line Items]
Interest rate	5.60%
Senior Notes	500,885		500,999
6.50% Senior Notes Due 2016 [Member]
Debt Instrument [Line Items]
Interest rate	6.50%
Senior Notes	249,835		249,819
12.25% Senior Notes Due 2017 [Member]
Debt Instrument [Line Items]
Interest rate	12.25%
Senior Notes	394,067		393,700
6.95% Senior Notes Due 2018 [Member]
Debt Instrument [Line Items]
Interest rate	6.95%
Senior Notes	247,733		247,598
2.00% Convertible Senior Notes Due 2020 [Member]
Debt Instrument [Line Items]
Interest rate	2.00%
Senior Notes	276,500		276,500
2.75% Convertible Senior Notes Due 2020 [Member]
Debt Instrument [Line Items]
Interest rate	2.75%
Senior Notes	395,066		388,417
3.25% Convertible Senior Notes Due 2021 [Member]
Debt Instrument [Line Items]
Interest rate	3.25%
Senior Notes	400,000		350,000
Lennar Homebuilding [Member]
Debt Instrument [Line Items]
Notes payable	3,469,616	[1]	3,362,759	[1]
Lennar Homebuilding [Member] | 5.95% Senior Notes Due 2013 [Member]
Debt Instrument [Line Items]
Interest rate	5.95%		5.95%
Debt instrument maturity year	2013
Lennar Homebuilding [Member] | 5.50% Senior Notes Due 2014 [Member]
Debt Instrument [Line Items]
Interest rate	5.50%		5.50%
Debt instrument maturity year	2014
Lennar Homebuilding [Member] | 5.60% Senior Notes Due 2015 [Member]
Debt Instrument [Line Items]
Interest rate	5.60%		5.60%
Debt instrument maturity year	2015
Lennar Homebuilding [Member] | 6.50% Senior Notes Due 2016 [Member]
Debt Instrument [Line Items]
Interest rate	6.50%		6.50%
Debt instrument maturity year	2016
Lennar Homebuilding [Member] | 12.25% Senior Notes Due 2017 [Member]
Debt Instrument [Line Items]
Interest rate	12.25%		12.25%
Debt instrument maturity year	2017
Lennar Homebuilding [Member] | 6.95% Senior Notes Due 2018 [Member]
Debt Instrument [Line Items]
Interest rate	6.95%		6.95%
Debt instrument maturity year	2018
Lennar Homebuilding [Member] | 2.00% Convertible Senior Notes Due 2020 [Member]
Debt Instrument [Line Items]
Interest rate	2.00%		2.00%
Debt instrument maturity year	2020
Lennar Homebuilding [Member] | 2.75% Convertible Senior Notes Due 2020 [Member]
Debt Instrument [Line Items]
Interest rate	2.75%		2.75%
Debt instrument maturity year	2020
Lennar Homebuilding [Member] | 3.25% Convertible Senior Notes Due 2021 [Member]
Debt Instrument [Line Items]
Interest rate	3.25%		3.25%
Debt instrument maturity year	2021

[1] As of May 31, 2012, total liabilities include $742.8 million related to consolidated VIEs as to which neither Lennar Corporation, nor any of its subsidiaries, has any obligations, of which $7.6 million is included in Lennar Homebuilding accounts payable, $36.7 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $171.9 million in Lennar Homebuilding senior notes and other debts payable, $35.3 million in Lennar Homebuilding other liabilities and $491.3 million in Rialto Investments notes payable and other liabilities.As of November 30, 2011, total liabilities include $902.3 million related to consolidated VIEs as to which neither Lennar Corporation, nor any of its subsidiaries, has any obligations of which $12.7 million is included in Lennar Homebuilding accounts payable, $43.6 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $175.3 million in Lennar Homebuilding senior notes and other debts payable, $16.7 million in Lennar Homebuilding other liabilities and $654.0 million in Rialto Investments notes payable and other liabilities.