Other Income - Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020
Other Nonoperating Income By Component [Line Items]
Interest income	$ 107	$ 1,896	$ 1,562	$ 6,798
Income from Ancillary Businesses	9,061	14,582	15,920	15,104
Management fee income from home building unconsolidated entities, net	1,930,124	1,549,072	3,493,500	2,880,503
Interest Expense, Debt			0
Other	(403)	(409)	(762)	(884)
Total other income - net	9,213	13,836	17,285	20,131
Directly expensed interest	0	(2,440)	0	(2,440)
Revenues and expenses of non-core ancillary businesses
Revenues	32,731	27,432	61,831	53,842
Expenses	23,670	25,820	45,911	51,708
Other income	0	12,970	0	12,970
Management Fee [Member]
Other Nonoperating Income By Component [Line Items]
Management fee income from home building unconsolidated entities, net	$ 448	$ 207	$ 565	$ 1,553