Note 6 - Warranty and General Liability Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015
Selling, General and Administrative Expenses [Member]
Additions	$ 4,247	$ 4,162	$ 13,162	$ 13,742
Cost of Sales [Member]
Additions	4,426	2,905	12,347	11,721
Balance, beginning of period	136,706	161,307	135,053	178,008
Charges incurred during the period	(5,942)	(5,796)	(21,125)	(40,893)
Balance, end of period	$ 139,437	$ 162,578	$ 139,437	$ 162,578