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Operating and Reporting Segments (Financial Information Related to Segments) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Aug. 31, 2021 | Aug. 31, 2020 | Aug. 31, 2021 | Aug. 31, 2020
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 6,941,403 | $ 5,870,254 | $ 18,697,116 | $ 15,662,964
Operating earnings (loss) | 1,924,495 | 951,674 | 4,576,449 | 2,222,101
Corporate general and administrative expenses | 94,942 | 85,998 | 296,190 | 246,815
Charitable foundation contribution | 15,199 | 6,663 | 42,006 | 16,144
Earnings (loss) before income taxes | 1,814,354 | 859,013 | 4,238,253 | 1,959,142
Homebuilding |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 6,558,509 | 5,505,120 | 17,529,606 | 14,626,720
Operating earnings (loss) | 1,329,833 | 813,744 | 3,275,488 | 1,905,503
Operating Segments | Homebuilding |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 6,558,509 | 5,505,120 | 17,529,606 | 14,626,720
Operating earnings (loss) | 1,329,833 | 813,744 | 3,275,488 | 1,905,503
Corporate general and administrative expenses | 0 | 0 | 0 | 0
Charitable foundation contribution | 0 | 0 | 0 | 0
Earnings (loss) before income taxes | 1,329,833 | 813,744 | 3,275,488 | 1,905,503
Operating Segments | Financial Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 206,973 | 237,068 | 669,789 | 631,992
Operating earnings (loss) | 112,083 | 135,079 | 379,610 | 329,722
Corporate general and administrative expenses | 0 | 0 | 0 | 0
Charitable foundation contribution | 0 | 0 | 0 | 0
Earnings (loss) before income taxes | 112,083 | 135,079 | 379,610 | 329,722
Operating Segments | Multifamily |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 167,921 | 115,170 | 476,837 | 370,904
Operating earnings (loss) | (9,393) | (5,148) | 12,130 | (4,001)
Corporate general and administrative expenses | 0 | 0 | 0 | 0
Charitable foundation contribution | 0 | 0 | 0 | 0
Earnings (loss) before income taxes | (9,393) | (5,148) | 12,130 | (4,001)
Operating Segments | Lennar Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 8,000 | 12,896 | 20,884 | 33,348
Operating earnings (loss) | 491,972 | 7,999 | 909,221 | (9,123)
Corporate general and administrative expenses | 0 | 0 | 0 | 0
Charitable foundation contribution | 0 | 0 | 0 | 0
Earnings (loss) before income taxes | 491,972 | 7,999 | 909,221 | (9,123)
Write-down of investments in unconsolidated entities |  |  |  | 25,000
Corporate and Unallocated |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Operating earnings (loss) | 0 | 0 | 0 | 0
Corporate general and administrative expenses | 94,942 | 85,998 | 296,190 | 246,815
Charitable foundation contribution | 15,199 | 6,663 | 42,006 | 16,144
Earnings (loss) before income taxes | $ (110,141) | $ (92,661) | $ (338,196) | $ (262,959)

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