Accrued Expenses (Detail Textuals) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Jul. 31, 2016 USD ($)	Jul. 31, 2016 USD ($)	Oct. 31, 2015 USD ($) communities	Apr. 30, 2016 USD ($)	Jul. 31, 2015 USD ($)	Apr. 30, 2015 USD ($)	Oct. 31, 2014 USD ($)
Loss Contingencies [Line Items]
Standard and Extended Product Warranty Accrual	$ 91,967	$ 91,967	$ 93,083	$ 91,194	$ 79,005	$ 83,057	$ 86,282
Stucco Related [Member]
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss			80,300
Loss Contingency, Receivable	36,600	36,600	32,600
Standard and Extended Product Warranty Accrual, Increase for Warranties Issued			47,700
Standard and Extended Product Warranty Accrual	40,300	40,300	$ 44,200
Standard Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties		12,600
Product Liability Contingency, Third Party Recovery		8,300
Product Warranty Expense	$ 1,900	$ 4,300
Construction Claims, Three Community Associations, West Region [Member]
Loss Contingencies [Line Items]
Loss Contingency, New Claims Filed, Number | communities			3