Inventory (Details 3) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2021	Jul. 31, 2020
Real estate inventory capitalized interest costs [Line Items]
Interest capitalized, beginning of period	$ 295,145	$ 324,864	$ 297,975	$ 311,323
Interest incurred	37,133	41,794	116,447	131,547
Directly expensed interest	0	0	0	(2,440)
Interest reclassified to property, construction and office equipment	(1,034)	0	(1,034)	0
Interest capitalized on investments in unconsolidated entities	(1,078)	(1,013)	(3,403)	(2,790)
Previously capitalized interest on investments in unconsolidated entities transferred to inventory	76	88	92	208
Interest capitalized, end of period	279,183	322,446	279,183	322,446
Home Building [Member]
Real estate inventory capitalized interest costs [Line Items]
Interest expensed to cost of revenues	(49,995)	(40,467)	(127,412)	(111,278)
Home Building [Member] | Interest Rate Swap
Real estate inventory capitalized interest costs [Line Items]
Interest expensed to cost of revenues	(60)		(101)
Land [Member]
Real estate inventory capitalized interest costs [Line Items]
Interest expensed to cost of revenues	$ (1,064)	$ (2,820)	$ (3,482)	$ (4,124)