Information on Segments (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 29, 2024	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023	Oct. 31, 2023
Revenues
Revenues		$ 2,837,486	$ 2,506,979	$ 4,785,334	$ 4,287,148
Income (loss) before income taxes
Income before income taxes		649,779	430,592	960,940	684,388
Total assets
Total assets		13,250,359		13,250,359		$ 12,527,018
Inventory Write-down		28,428	11,069	29,899	19,073
Corporate and other [Member]
Revenues
Revenues		(934)	(260)	(1,168)	(610)
Income (loss) before income taxes
Income before income taxes		(35,464)	(64,945)	(89,089)	(89,433)
Total assets
Total assets		2,489,652		2,489,652		2,680,453
Inventory Write-down			2,500		2,500
Traditional Homebuilding [Member]
Revenues
Revenues		2,647,954	2,490,358
Income (loss) before income taxes
Income before income taxes		685,243	495,537
Total assets
Inventory Write-down		28,428	11,069	29,899	19,073
Traditional Homebuilding [Member] | Operating Segments
Revenues
Revenues				4,580,024	4,240,130
Income (loss) before income taxes
Income before income taxes				1,050,029	773,821
Total assets
Total assets		10,760,707		10,760,707		9,846,565
North [Member] | Traditional Homebuilding [Member]
Revenues
Revenues		335,215	381,316	607,872	704,110
Income (loss) before income taxes
Income before income taxes		51,422	50,922	84,443	87,556
Total assets
Total assets		1,450,260		1,450,260		1,281,479
Inventory Write-down		38	290	533	431
Mid-Atlantic [Member] | Traditional Homebuilding [Member]
Revenues
Revenues		376,110	309,587	640,264	498,704
Income (loss) before income taxes
Income before income taxes		254,525	64,428	304,043	87,351
Total assets
Total assets		1,416,149		1,416,149		1,323,381
Inventory Write-down		2,703	5,080	2,895	6,320
South [Member] | Traditional Homebuilding [Member]
Revenues
Revenues		658,374	519,351	1,191,260	912,232
Income (loss) before income taxes
Income before income taxes		126,465	88,721	224,895	141,167
Total assets
Total assets		2,665,914		2,665,914		2,399,055
Inventory Write-down		647	30	727	481
Mountain [Member] | Traditional Homebuilding [Member]
Revenues
Revenues		603,568	674,234	1,056,949	1,154,446
Income (loss) before income taxes
Income before income taxes		81,950	133,942	162,114	221,246
Total assets
Total assets		2,956,251		2,956,251		2,666,874
Inventory Write-down		25,000	5,487	25,674	5,618
Pacific [Member] | Traditional Homebuilding [Member]
Revenues
Revenues		674,687	605,870	1,083,679	970,638
Income (loss) before income taxes
Income before income taxes		170,881	157,524	274,534	236,501
Total assets
Total assets		2,272,133		2,272,133		$ 2,175,776
Inventory Write-down		40	182	70	6,223
Home Building [Member]
Revenues
Revenues		2,647,020	2,490,098	4,578,856	4,239,520
Land and Land Improvements
Total assets
Inventory Write-down			4,700	600	17,700
Land and Land Improvements | North [Member]
Total assets
Inventory Write-down					2,700
Land and Land Improvements | Mid-Atlantic [Member]
Total assets
Inventory Write-down		600		600	10,300
Land and Land Improvements | Pacific [Member]
Total assets
Inventory Write-down			2,200		2,200
Land [Member]
Revenues
Revenues	$ 180,700	190,466	$ 16,881	206,478	$ 47,628
Land [Member] | Mid-Atlantic [Member]
Revenues
Revenues		$ 185,000		$ 185,000