Segment Information (Segment Financial Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2021
Revenues:
Revenues	$ 6,410,629	$ 6,903,776	$ 5,724,930
Pretax income (loss):
Pretax income (loss):	771,277	1,072,066	695,346
Equity in income (loss) of unconsolidated joint ventures:
Equity in income of unconsolidated joint ventures	14,984	19,934	23,184
Inventory impairment and land option contract abandonment charges:	11,424	37,301	11,953
Inventories:	5,133,646	5,543,176
Assets:
Total assets	6,648,362	6,651,930
Homebuilding
Revenues:
Revenues	6,381,106	6,880,362	5,705,029
Pretax income (loss):
Pretax income (loss):	731,783	1,033,615	656,911
Equity in income (loss) of unconsolidated joint ventures:
Equity in income of unconsolidated joint ventures	(713)	(865)	(405)
Inventory impairment and land option contract abandonment charges:	11,424	37,301	11,953
Inventories:	5,133,646	5,543,176
Investments in unconsolidated joint ventures	59,128	46,785
Assets:
Total assets	6,591,483	6,592,398
Homebuilding | West Coast
Revenues:
Revenues	2,321,093	3,050,506	2,552,382
Pretax income (loss):
Pretax income (loss):	266,229	519,524	345,714
Equity in income (loss) of unconsolidated joint ventures:
Equity in income of unconsolidated joint ventures	(731)	(612)	62
Inventory impairment and land option contract abandonment charges:	4,902	27,354	11,046
Inventories:	2,455,336	2,425,141
Investments in unconsolidated joint ventures	49,829	41,597
Assets:
Total assets	2,638,455	2,631,598
Homebuilding | Southwest
Revenues:
Revenues	1,169,948	1,110,045	965,139
Pretax income (loss):
Pretax income (loss):	188,497	238,143	186,351
Equity in income (loss) of unconsolidated joint ventures:
Equity in income of unconsolidated joint ventures	(127)	(249)	(466)
Inventory impairment and land option contract abandonment charges:	57	900	536
Inventories:	830,514	993,059
Investments in unconsolidated joint ventures	6,796	2,680
Assets:
Total assets	908,578	1,074,912
Homebuilding | Central
Revenues:
Revenues	1,831,914	1,749,231	1,503,857
Pretax income (loss):
Pretax income (loss):	258,623	272,002	200,159
Equity in income (loss) of unconsolidated joint ventures:
Equity in income of unconsolidated joint ventures	0	0	0
Inventory impairment and land option contract abandonment charges:	2,461	3,318	131
Inventories:	942,168	1,278,420
Investments in unconsolidated joint ventures	0	0
Assets:
Total assets	1,158,949	1,493,486
Homebuilding | Southeast
Revenues:
Revenues	1,058,151	970,580	683,651
Pretax income (loss):
Pretax income (loss):	147,274	152,178	77,663
Equity in income (loss) of unconsolidated joint ventures:
Equity in income of unconsolidated joint ventures	145	(4)	(1)
Inventory impairment and land option contract abandonment charges:	4,004	5,729	240
Inventories:	905,628	846,556
Investments in unconsolidated joint ventures	2,503	2,508
Assets:
Total assets	939,997	929,208
Homebuilding | Corporate and other
Pretax income (loss):
Pretax income (loss):	(128,840)	(148,232)	$ (152,976)
Assets:
Total assets	$ 945,504	$ 463,194