Segment Information (Segment Financial Information) (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Nov. 30, 2021
Segment Reporting Information [Line Items]
Inventory impairments and land option contract abandonments	$ 175	$ 4,064
Revenues:
Total revenues	1,398,789	1,141,738
Pretax income (loss):
Pretax income (loss)	178,057	123,551
Inventories: Homes under Construction	2,369,054		$ 2,103,038
Inventories: Land under development	2,828,779		2,699,791
Inventories: Land held for future development or sale	52,900		45,200
Inventories	5,197,833		4,802,829
Assets
Total assets	6,188,327		5,835,918
Land Option Contract Abandonment [Member]
Pretax income (loss):
Land option contract abandonment charges	200	400
Home Building [Member]
Segment Reporting Information [Line Items]
Inventory impairments and land option contract abandonments	175	4,064
Revenues:
Total revenues	1,394,154	1,138,008
Pretax income (loss):
Pretax income (loss)	169,621	115,051
Inventories	5,197,833		4,802,829
Assets
Total assets	6,146,953		5,791,716
Home Building [Member] | West Coast [Member]
Segment Reporting Information [Line Items]
Inventory impairments and land option contract abandonments	0	3,801
Revenues:
Total revenues	658,874	514,516
Pretax income (loss):
Pretax income (loss)	110,034	58,631
Assets
Total assets	2,704,711		2,520,374
Home Building [Member] | Southwest [Member]
Segment Reporting Information [Line Items]
Inventory impairments and land option contract abandonments	109	128
Revenues:
Total revenues	209,767	187,685
Pretax income (loss):
Pretax income (loss)	35,905	33,055
Assets
Total assets	997,514		938,300
Home Building [Member] | Central [Member]
Segment Reporting Information [Line Items]
Inventory impairments and land option contract abandonments	66	0
Revenues:
Total revenues	355,322	309,708
Pretax income (loss):
Pretax income (loss)	38,116	40,992
Assets
Total assets	1,283,385		1,168,242
Home Building [Member] | Southeast [Member]
Segment Reporting Information [Line Items]
Inventory impairments and land option contract abandonments	0	135
Revenues:
Total revenues	170,191	126,099
Pretax income (loss):
Pretax income (loss)	20,266	12,115
Assets
Total assets	740,145		684,752
Home Building [Member] | Corporate and Other [Member]
Pretax income (loss):
Pretax income (loss)	(34,700)	$ (29,742)
Assets
Total assets	$ 421,198		$ 480,048