Note 12 - Income Taxes (Detail) - Reconciliation Of Unrecognized Tax Benefits (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Balance	$ 1,200	$ 1,124	$ 1,322
Increases related to prior year tax positions	21	37	631
Increases related to current year tax positions	76	103	54
Reductions due to lapse of statutes of limitations	(869)	(64)	(883)
Balance	$ 428	$ 1,200	$ 1,124