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Supplemental Guarantor Information (Condensed Consolidating Statements of Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2018 | Aug. 31, 2018 | May 31, 2018 | Feb. 28, 2018 | Nov. 30, 2017 | Aug. 31, 2017 | May 31, 2017 | Feb. 28, 2017 | Nov. 30, 2018 | Nov. 30, 2017 | Nov. 30, 2016
Net income | $ 96,836 | $ 87,476 | $ 57,308 | $ (71,255) | $ 84,346 | $ 50,208 | $ 31,782 | $ 14,259 | $ 170,365 | $ 180,595 | $ 105,615
Other Comprehensive Income (Loss), before Reclassifications, before Tax |  |  |  |  |  |  |  |  | 10,108 | (1,445) | 2,103
Other Comprehensive Income (Loss), before Tax |  |  |  |  |  |  |  |  | 10,108 | (1,445) | 2,103
Income tax benefit (expense) related to items of other comprehensive income (loss) |  |  |  |  |  |  |  |  | (2,749) | 578 | (841)
Other comprehensive income (loss), net of tax |  |  |  |  |  |  |  |  | 7,359 | (867) | 1,262
Comprehensive income |  |  |  |  |  |  |  |  | 177,724 | 179,728 | 106,877
KB Home Corporate |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | 170,365 | 180,595 | 105,615
Other Comprehensive Income (Loss), before Reclassifications, before Tax |  |  |  |  |  |  |  |  | 10,108 | (1,445) | 2,103
Other Comprehensive Income (Loss), before Tax |  |  |  |  |  |  |  |  | 10,108 | (1,445) | 2,103
Income tax benefit (expense) related to items of other comprehensive income (loss) |  |  |  |  |  |  |  |  | (2,749) | 578 | (841)
Other comprehensive income (loss), net of tax |  |  |  |  |  |  |  |  | 7,359 | (867) | 1,262
Comprehensive income |  |  |  |  |  |  |  |  | 177,724 | 179,728 | 106,877
Guarantor Subsidiaries |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | 207,467 | 171,770 | 118,667
Other Comprehensive Income (Loss), before Reclassifications, before Tax |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other Comprehensive Income (Loss), before Tax |  |  |  |  |  |  |  |  | 0 | 0 | 0
Income tax benefit (expense) related to items of other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other comprehensive income (loss), net of tax |  |  |  |  |  |  |  |  | 0 | 0 | 0
Comprehensive income |  |  |  |  |  |  |  |  | 207,467 | 171,770 | 118,667
Non-Guarantor Subsidiaries |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | (37,564) | 12,831 | (62,966)
Other Comprehensive Income (Loss), before Reclassifications, before Tax |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other Comprehensive Income (Loss), before Tax |  |  |  |  |  |  |  |  | 0 | 0 | 0
Income tax benefit (expense) related to items of other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other comprehensive income (loss), net of tax |  |  |  |  |  |  |  |  | 0 | 0 | 0
Comprehensive income |  |  |  |  |  |  |  |  | (37,564) | 12,831 | (62,966)
Consolidating Adjustments |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | (169,903) | (184,601) | (55,701)
Other Comprehensive Income (Loss), before Reclassifications, before Tax |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other Comprehensive Income (Loss), before Tax |  |  |  |  |  |  |  |  | 0 | 0 | 0
Income tax benefit (expense) related to items of other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other comprehensive income (loss), net of tax |  |  |  |  |  |  |  |  | 0 | 0 | 0
Comprehensive income |  |  |  |  |  |  |  |  | $ (169,903) | $ (184,601) | $ (55,701)

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