Information on Segments (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Feb. 29, 2024	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023	Oct. 31, 2023
Revenues
Revenues		$ 2,727,944	$ 2,687,642	$ 7,513,278	$ 6,974,790
Income (loss) before income taxes
Income before income taxes		503,627	553,017	1,464,567	1,237,405
Total assets
Total assets		13,359,711		13,359,711		$ 12,527,018
Inventory Write-down		5,459	3,364	35,358	22,437
Corporate and other [Member]
Revenues
Revenues		1,007	1,355	(161)	745
Income (loss) before income taxes
Income before income taxes		(55,331)	(24,191)	(144,420)	(113,623)
Total assets
Total assets		2,309,651		2,309,651		2,680,453
Traditional Homebuilding [Member] | Operating Segments
Revenues
Revenues		2,723,465	2,673,247	7,303,489	6,913,377
Income (loss) before income taxes
Income before income taxes		558,958	577,208	1,608,987	1,351,028
Total assets
Total assets		11,050,060		11,050,060		9,846,565
Inventory Write-down		5,459	3,364	35,358	22,437
North [Member] | Traditional Homebuilding [Member]
Revenues
Revenues		375,119	377,744	982,991	1,081,854
Income (loss) before income taxes
Income before income taxes		64,615	49,087	149,058	136,643
Total assets
Total assets		1,533,394		1,533,394		1,281,479
Inventory Write-down		390	158	923	590
Mid-Atlantic [Member] | Traditional Homebuilding [Member]
Revenues
Revenues		335,721	288,480	975,985	787,184
Income (loss) before income taxes
Income before income taxes		73,470	71,132	377,513	158,482
Total assets
Total assets		1,505,684		1,505,684		1,323,381
Inventory Write-down		2,690	2,225	5,585	8,545
South [Member] | Traditional Homebuilding [Member]
Revenues
Revenues		776,262	632,572	1,967,522	1,544,804
Income (loss) before income taxes
Income before income taxes		161,177	126,861	386,072	268,028
Total assets
Total assets		2,627,920		2,627,920		2,399,055
Inventory Write-down		2,289	921	3,016	1,402
Mountain [Member] | Traditional Homebuilding [Member]
Revenues
Revenues		670,027	726,004	1,726,976	1,880,450
Income (loss) before income taxes
Income before income taxes		113,785	146,757	275,899	368,003
Total assets
Total assets		3,038,021		3,038,021		2,666,874
Inventory Write-down		32	42	25,706	5,659
Pacific [Member] | Traditional Homebuilding [Member]
Revenues
Revenues		566,336	648,447	1,650,015	1,619,085
Income (loss) before income taxes
Income before income taxes		145,911	183,371	420,445	419,872
Total assets
Total assets		2,345,041		2,345,041		$ 2,175,776
Inventory Write-down		58	18	128	6,241
Home Building [Member]
Revenues
Revenues		2,724,472	2,674,602	7,303,328	6,914,122
Land and Land Improvements
Total assets
Inventory Write-down			0	4,400	17,700
Land and Land Improvements | Corporate and other [Member]
Total assets
Inventory Write-down		3,800		3,800	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				600	10,300
Land and Land Improvements | Pacific [Member]
Total assets
Inventory Write-down					2,200
Land [Member]
Revenues
Revenues	$ 180,700	$ 3,472	$ 13,040	209,950	$ 60,668
Land [Member] | Mid-Atlantic [Member]
Revenues
Revenues				$ 185,000