Segment Information (Segment Financial Information) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2023	Aug. 31, 2022	Nov. 30, 2022
Revenues:
Revenues	$ 1,587,011	$ 1,844,895	$ 4,736,641	$ 4,963,746
Pretax income (loss):
Pretax income (loss)	194,533	326,229	571,675	787,156
Inventory impairments and land option contract abandonments			10,207	9,371
Assets:
Total assets	6,576,986		6,576,986		$ 6,651,930
Homebuilding
Revenues:
Revenues	1,579,719	1,838,888	4,716,102	4,947,868
Pretax income (loss):
Pretax income (loss)	184,622	321,604	544,339	755,414
Inventory impairments and land option contract abandonments	631	8,464	10,207	9,371
Assets:
Total assets	6,516,451		6,516,451		6,592,398
Homebuilding | West Coast
Revenues:
Revenues	506,802	829,405	1,611,171	2,249,496
Pretax income (loss):
Pretax income (loss)	55,034	171,041	169,683	418,593
Inventory impairments and land option contract abandonments	400	4,465	4,348	4,622
Assets:
Total assets	2,631,436		2,631,436		2,631,598
Homebuilding | Southwest
Revenues:
Revenues	306,284	321,808	881,699	822,499
Pretax income (loss):
Pretax income (loss)	46,193	77,368	147,341	177,908
Inventory impairments and land option contract abandonments	0	432	0	596
Assets:
Total assets	917,502		917,502		1,074,912
Homebuilding | Central
Revenues:
Revenues	506,640	443,581	1,441,805	1,231,949
Pretax income (loss):
Pretax income (loss)	75,421	79,258	213,239	183,574
Inventory impairments and land option contract abandonments	231	1,311	2,310	1,897
Assets:
Total assets	1,193,529		1,193,529		1,493,486
Homebuilding | Southeast
Revenues:
Revenues	259,993	244,094	781,427	643,924
Pretax income (loss):
Pretax income (loss)	38,495	40,202	110,951	99,527
Inventory impairments and land option contract abandonments	0	2,256	3,549	2,256
Assets:
Total assets	921,338		921,338		929,208
Homebuilding | Corporate and other
Pretax income (loss):
Pretax income (loss)	(30,521)	$ (46,265)	(96,875)	$ (124,188)
Assets:
Total assets	$ 852,646		$ 852,646		$ 463,194