Information on Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022	Oct. 31, 2022
Revenues
Revenues	$ 2,506,979	$ 2,277,541	$ 4,287,148	$ 4,068,622
Income (loss) before income taxes
Income before income taxes	430,592	295,815	684,388	496,631
Total assets
Total assets	11,989,476		11,989,476		$ 12,288,714
Inventory Write-down	11,069	2,192	19,073	4,425
Corporate and other [Member]
Revenues
Revenues	(260)	(2,032)	(610)	(3,459)
Income (loss) before income taxes
Income before income taxes	(64,945)	(63,418)	(89,433)	(98,360)
Total assets
Total assets	2,057,764		2,057,764		2,677,440
Traditional Homebuilding [Member]
Revenues
Revenues	2,490,358	2,188,561	4,240,130	3,877,340
Income (loss) before income taxes
Income before income taxes	495,537	359,233	773,821	594,991
Total assets
Total assets	9,931,712		9,931,712		9,611,274
Inventory Write-down	11,069	2,192	19,073	4,425
North [Member] | Traditional Homebuilding [Member]
Revenues
Revenues	381,316	398,907	704,110	754,041
Income (loss) before income taxes
Income before income taxes	50,922	50,717	87,556	96,384
Total assets
Total assets	1,394,986		1,394,986		1,464,995
Inventory Write-down	290	443	431	769
Mid-Atlantic [Member] | Traditional Homebuilding [Member]
Revenues
Revenues	309,587	268,250	498,704	511,127
Income (loss) before income taxes
Income before income taxes	64,428	43,837	87,351	77,285
Total assets
Total assets	1,143,351		1,143,351		1,049,043
Inventory Write-down	5,080	706	6,320	1,145
South [Member] | Traditional Homebuilding [Member]
Revenues
Revenues	519,351	326,351	912,232	569,870
Income (loss) before income taxes
Income before income taxes	88,721	42,974	141,167	65,551
Total assets
Total assets	2,371,522		2,371,522		2,137,568
Inventory Write-down	30	466	481	609
Mountain [Member] | Traditional Homebuilding [Member]
Revenues
Revenues	674,234	653,558	1,154,446	1,115,858
Income (loss) before income taxes
Income before income taxes	133,942	104,962	221,246	175,973
Total assets
Total assets	2,781,482		2,781,482		2,785,603
Inventory Write-down	5,487	342	5,618	444
Pacific [Member] | Traditional Homebuilding [Member]
Revenues
Revenues	605,870	541,495	970,638	926,444
Income (loss) before income taxes
Income before income taxes	157,524	116,743	236,501	179,798
Total assets
Total assets	2,240,371		2,240,371		$ 2,174,065
Inventory Write-down	182	235	6,223	1,458
Home Building [Member]
Revenues
Revenues	2,490,098	2,186,529	4,239,520	3,873,881
Land and Land Improvements
Total assets
Inventory Write-down	4,700	$ 5,200	17,700	$ 5,200
Land and Land Improvements | Corporate and other [Member]
Total assets
Inventory Write-down	2,500		2,500
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			10,300
Land and Land Improvements | Pacific [Member]
Total assets
Inventory Write-down	$ 2,200		$ 2,200