Accrued Expenses (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015	Oct. 31, 2015
Changes in the warranty accrual
Balance, beginning of year	$ 91,194	$ 83,057	$ 93,083	$ 86,282	$ 86,282
Additions - homes closed during the year	7,241	4,947	18,208	13,200
Charges incurred	(11,321)	(9,453)	(30,369)	(22,240)
Balance, end of year	91,967	79,005	91,967	79,005	$ 93,083
Warranty change, homes closed in prior period, other [Member]
Changes in the warranty accrual
Increase (decrease) to accruals for homes closed in prior periods	$ 4,853	$ 454	$ 11,045	$ 1,763