Information on Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022	Oct. 31, 2022
Revenues
Revenues	$ 2,687,642	$ 2,494,802	$ 6,974,790	$ 6,563,424
Income (loss) before income taxes
Income before income taxes	553,017	365,951	1,237,405	862,582
Total assets
Total assets	12,353,674		12,353,674		$ 12,288,714
Inventory Write-down	3,364	6,248	22,437	10,673
Corporate and other [Member]
Revenues
Revenues	1,355	1,067	745	(2,392)
Income (loss) before income taxes
Income before income taxes	(24,191)	(52,354)	(113,623)	(150,714)
Total assets
Total assets	2,292,312		2,292,312		2,677,440
Traditional Homebuilding [Member]
Revenues
Revenues	2,673,247	2,255,270	6,913,377	6,132,610
Income (loss) before income taxes
Income before income taxes	577,208	418,305	1,351,028	1,013,296
Total assets
Total assets	10,061,362		10,061,362		9,611,274
Inventory Write-down	3,364	6,248	22,437	10,673
North [Member] | Traditional Homebuilding [Member]
Revenues
Revenues	377,744	481,509	1,081,854	1,235,550
Income (loss) before income taxes
Income before income taxes	49,087	81,440	136,643	177,824
Total assets
Total assets	1,368,192		1,368,192		1,464,995
Inventory Write-down	158	387	590	1,156
Mid-Atlantic [Member] | Traditional Homebuilding [Member]
Revenues
Revenues	288,480	253,973	787,184	765,100
Income (loss) before income taxes
Income before income taxes	71,132	39,841	158,482	117,126
Total assets
Total assets	1,291,556		1,291,556		1,049,043
Inventory Write-down	2,225	1,200	8,545	2,345
South [Member] | Traditional Homebuilding [Member]
Revenues
Revenues	632,572	352,674	1,544,804	922,544
Income (loss) before income taxes
Income before income taxes	126,861	56,293	268,028	121,844
Total assets
Total assets	2,387,503		2,387,503		2,137,568
Inventory Write-down	921	405	1,402	1,014
Mountain [Member] | Traditional Homebuilding [Member]
Revenues
Revenues	726,004	660,517	1,880,450	1,776,375
Income (loss) before income taxes
Income before income taxes	146,757	120,606	368,003	296,579
Total assets
Total assets	2,778,107		2,778,107		2,785,603
Inventory Write-down	42	1,421	5,659	1,865
Pacific [Member] | Traditional Homebuilding [Member]
Revenues
Revenues	648,447	506,597	1,619,085	1,433,041
Income (loss) before income taxes
Income before income taxes	183,371	120,125	419,872	299,923
Total assets
Total assets	2,236,004		2,236,004		$ 2,174,065
Inventory Write-down	18	2,835	6,241	4,293
Home Building [Member]
Revenues
Revenues	2,674,602	2,256,337	6,914,122	6,130,218
Land and Land Improvements
Total assets
Inventory Write-down	$ 0		17,700
Land and Land Improvements | Corporate and other [Member]
Total assets
Inventory Write-down			2,500
Land and Land Improvements | North [Member]
Total assets
Inventory Write-down		$ 1,400	2,700	$ 6,600
Land and Land Improvements | Mid-Atlantic [Member]
Total assets
Inventory Write-down			10,300
Land and Land Improvements | Pacific [Member]
Total assets
Inventory Write-down			$ 2,200