Inventory (Details 3) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Real estate inventory capitalized interest costs [Line Items]
Interest capitalized, beginning of period	$ 328,583	$ 349,918	$ 319,364	$ 352,049
Interest incurred	43,968	41,760	131,830	123,028
Interest expensed in other income		(1,259)		(2,259)
Interest capitalized on investments in unconsolidated entities	(852)	(1,821)	(3,936)	(5,423)
Previously capitalized interest on investments in unconsolidated entities transferred to inventory	499	1,572	4,802	1,687
Interest capitalized, end of period	325,253	340,167	325,253	340,167
Home Building [Member]
Real estate inventory capitalized interest costs [Line Items]
Interest expensed to cost of revenues	(46,635)	(50,003)	(125,862)	(128,915)
Land [Member]
Real estate inventory capitalized interest costs [Line Items]
Interest expensed to cost of revenues	$ (310)		$ (945)