Financial Instruments and Fair Value Disclosures - (Schedule Of Gains And Losses Of Financial Instruments) (Details) (Details) - USD ($) $ in Thousands |
3 Months Ended |
Feb. 28, 2022 |
Feb. 28, 2021 |
| 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 |
$ 742
|
$ (942)
|
| Lennar Other |
|
|
| Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] |
|
|
| Lennar Other unrealized gain (loss) from technology investments |
(395,170)
|
469,745
|
| Fair Value, Measurements, Recurring | Financial Services | Loans held-for-sale |
|
|
| Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] |
|
|
| Lennar Other unrealized gain (loss) from technology investments |
(27,387)
|
(35,021)
|
| Fair Value, Measurements, Recurring | Financial Services | Mortgage loan commitments |
|
|
| Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] |
|
|
| Lennar Other unrealized gain (loss) from technology investments |
13,797
|
(4,915)
|
| Fair Value, Measurements, Recurring | Financial Services | Forward contracts |
|
|
| Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] |
|
|
| Lennar Other unrealized gain (loss) from technology investments |
9,990
|
34,238
|
| Fair Value, Measurements, Recurring | Lennar Other |
|
|
| 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 |
742
|
(942)
|
| Fair Value, Measurements, Recurring | Lennar Other | Forward contracts |
|
|
| Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] |
|
|
| Lennar Other unrealized gain (loss) from technology investments |
$ (395,170)
|
$ 469,745
|