Segment Information (Segment Financial Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2019
Segment Reporting Information [Line Items]
Revenues	$ 5,724,930	$ 4,183,174	$ 4,552,747
Pretax income (loss)	695,346	364,043	348,175
Equity in income of unconsolidated joint ventures	23,184	33,628	10,681
Inventory impairment and land option contract abandonment charges:	11,953	28,669	17,291
Decrease in inventories due to adoption of ASC 606	4,802,829	3,897,482
Total assets	5,835,918	5,356,442
Homebuilding
Segment Reporting Information [Line Items]
Revenues	5,705,029	4,167,702	4,537,658
Pretax income (loss)	656,911	331,500	325,189
Equity in income of unconsolidated joint ventures	(405)	12,474	(1,549)
Inventory impairment and land option contract abandonment charges:	11,953	28,669	17,291
Decrease in inventories due to adoption of ASC 606	4,802,829	3,897,482
Investments in unconsolidated joint ventures	36,088	46,785
Total assets	5,791,716	5,320,240
Homebuilding | West Coast
Segment Reporting Information [Line Items]
Revenues	2,552,382	1,748,582	1,912,146
Pretax income (loss)	345,714	151,039	178,078
Equity in income of unconsolidated joint ventures	62	12,972	(851)
Inventory impairment and land option contract abandonment charges:	11,046	21,941	15,567
Decrease in inventories due to adoption of ASC 606	2,300,096	1,928,500
Investments in unconsolidated joint ventures	33,576	42,762
Total assets	2,520,374	2,057,362
Homebuilding | Southwest
Segment Reporting Information [Line Items]
Revenues	965,139	796,810	764,816
Pretax income (loss)	186,351	133,386	111,016
Equity in income of unconsolidated joint ventures	(466)	(497)	(697)
Inventory impairment and land option contract abandonment charges:	536	570	408
Decrease in inventories due to adoption of ASC 606	875,438	688,807
Investments in unconsolidated joint ventures	0	1,516
Total assets	938,300	738,765
Homebuilding | Central
Segment Reporting Information [Line Items]
Revenues	1,503,857	1,192,869	1,267,892
Pretax income (loss)	200,159	128,802	126,304
Equity in income of unconsolidated joint ventures	0	0	0
Inventory impairment and land option contract abandonment charges:	131	5,520	848
Decrease in inventories due to adoption of ASC 606	995,811	867,170
Investments in unconsolidated joint ventures	0	0
Total assets	1,168,242	998,612
Homebuilding | Southeast
Segment Reporting Information [Line Items]
Revenues	683,651	429,441	592,804
Pretax income (loss)	77,663	22,950	18,550
Equity in income of unconsolidated joint ventures	(1)	(1)	(1)
Inventory impairment and land option contract abandonment charges:	240	638	468
Decrease in inventories due to adoption of ASC 606	631,484	413,005
Investments in unconsolidated joint ventures	2,512	2,507
Total assets	684,752	448,388
Homebuilding | Corporate and other
Segment Reporting Information [Line Items]
Pretax income (loss)	(152,976)	(104,677)	$ (108,759)
Total assets	$ 480,048	$ 1,077,113