Information on Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Oct. 31, 2024
Revenues
Revenues:	$ 1,859,131	$ 1,947,848
Income (loss) before income taxes:
Total consolidated	221,382	311,161
Total assets
Carrying value of consolidated VIEs assets	13,622,103		$ 13,367,932
Inventory write-down	16,417	1,471
Corporate and Other
Revenues
Revenues:	(317)	(233)
Income (loss) before income taxes:
Total consolidated	(49,509)	(53,625)
Total assets
Carrying value of consolidated VIEs assets	1,980,835		2,765,162
Total home building | Operating Segments
Revenues
Revenues:	1,841,093	1,932,069
Income (loss) before income taxes:
Total consolidated	270,891	364,786
Total assets
Carrying value of consolidated VIEs assets	11,641,268		10,602,770
Inventory write-down	16,417	1,471
North | Total home building
Revenues
Revenues:	254,712	272,657
Income (loss) before income taxes:
Total consolidated	28,193	33,021
Total assets
Carrying value of consolidated VIEs assets	1,492,110		1,425,738
Inventory write-down	205	495
Mid-Atlantic | Total home building
Revenues
Revenues:	236,240	264,154
Income (loss) before income taxes:
Total consolidated	33,430	49,518
Total assets
Carrying value of consolidated VIEs assets	1,578,671		1,444,951
Inventory write-down	3,767	192
South | Total home building
Revenues
Revenues:	506,273	532,886
Income (loss) before income taxes:
Total consolidated	90,416	98,430
Total assets
Carrying value of consolidated VIEs assets	2,908,206		2,514,446
Inventory write-down	4,359	80
Mountain | Total home building
Revenues
Revenues:	556,704	453,381
Income (loss) before income taxes:
Total consolidated	80,739	80,164
Total assets
Carrying value of consolidated VIEs assets	3,119,991		2,950,806
Inventory write-down	7,494	674
Pacific | Total home building
Revenues
Revenues:	287,164	408,991
Income (loss) before income taxes:
Total consolidated	38,113	103,653
Total assets
Carrying value of consolidated VIEs assets	2,542,290		$ 2,266,829
Inventory write-down	592	30
Home sales
Revenues
Revenues:	1,840,776	1,931,836
Land sales and other
Revenues
Revenues:	18,355	16,012
Land sales and other | Total home building
Revenues
Revenues:	18,355	16,012
Land sales and other | North
Revenues
Revenues:	17,155	0
Land sales and other | Mid-Atlantic
Revenues
Revenues:	256	7,796
Land sales and other | South
Revenues
Revenues:	837	3,639
Land sales and other | Mountain
Revenues
Revenues:	0	4,577
Land sales and other | Pacific
Revenues
Revenues:	107	0
Land sales and other | Corporate and other
Revenues
Revenues:	$ 0	$ 0