Financial Instruments and Fair Value Disclosure (Fair Value Measured On Recurring Basis) (Details) - USD ($) $ in Thousands	Nov. 30, 2022	Nov. 30, 2021
Residential Portfolio Segment
Financial Instruments [Line Items]
Aggregate principal balance of loans held-for-sale	$ 1,734,480	$ 1,586,764
Aggregate fair value of loans held-for-sale in excess of principal balance	16,233	49,519
Commercial Portfolio Segment
Financial Instruments [Line Items]
Aggregate principal balance of loans held-for-sale	24,000	0
Aggregate fair value of loans held-for-sale in excess of principal balance	1,599	68
Lennar Other
Financial Instruments [Line Items]
Investments available-for-sale	35,500	41,700
Fair Value, Measurements, Recurring \| Financial Services \| Level 1 \| Forward options
Financial Instruments [Line Items]
Derivative asset	9,473	0
Fair Value, Measurements, Recurring \| Financial Services \| Level 2 \| Residential Portfolio Segment
Financial Instruments [Line Items]
Loans held-for-sale	1,750,712	1,636,283
Fair Value, Measurements, Recurring \| Financial Services \| Level 3
Financial Instruments [Line Items]
Mortgage servicing rights	3,463	2,492
Fair Value, Measurements, Recurring \| Financial Services \| Level 3 \| Commercial Portfolio Segment
Financial Instruments [Line Items]
Loans held-for-sale	25,599	68
Fair Value, Measurements, Recurring \| Lennar Other \| Level 1
Financial Instruments [Line Items]
Investments in equity securities	212,981	906,539
Fair Value, Measurements, Recurring \| Lennar Other \| Level 3
Financial Instruments [Line Items]
Investments available-for-sale	$ 35,482	$ 41,654

Fair Value, Option, Principal Amount Outstanding, Loans and Long-Term Receivables

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Financial Instruments [Line Items]

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans and long-term receivables (other than securities categorized as trading, available-for-sale or held-to-maturity) that have contractual principal amounts and for which the fair value option has been elected.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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