Other Income - Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Other Nonoperating Income By Component [Line Items]
Interest income	$ 4,902	$ 5,872
Income from Ancillary Businesses	522	13,844
Management fee income from home building unconsolidated entities, net	1,331,431	1,363,181
Other	(475)	(463)
Total other income - net	6,295	20,861
Revenues and expenses of non-core ancillary businesses
Revenue	26,410	32,283
Expense	25,888	30,625
Gain (Loss) on Disposition of Business		12,186
Management Fee [Member]
Other Nonoperating Income By Component [Line Items]
Management fee income from home building unconsolidated entities, net	$ 1,346	$ 1,608