COMPREHENSIVE INCOME (LOSS) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Net income (loss)	$ (3,087)	$ 1,889	$ 7,342	$ 10,727
Other comprehensive income (loss) - foreign currency translation adjustments	(14)	(3)	(72)	(5)
Total comprehensive income (loss)	$ (3,101)	$ 1,886	$ 7,270	$ 10,722