Other Income - Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Other Nonoperating Income By Component [Line Items]
Interest income	$ 1,212	$ 989	$ 3,292	$ 1,930
Income from Ancillary Businesses	4,873	7,481	7,456	9,716
Management fee income from unconsolidated entities, net	4,354	3,682	7,425	7,971
Retained customer deposits	3,071	1,308	4,155	3,054
Income from land sales	2,587	1,527	3,287	5,086
Other	(303)	(1,001)	(824)	(1,068)
Total other income - net	15,794	13,986	24,791	26,689
Revenues and expenses of non-core ancillary businesses
Revenue	33,911	32,414	65,234	61,294
Expense	$ 29,038	$ 24,933	$ 57,778	$ 51,578