CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jan. 31, 2013	Oct. 31, 2012
Accounts receivable, allowance	$ 1,181	$ 1,026
Preferred stock, no par value	$ 0.00	$ 0.00
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	125,000,000	125,000,000
Common stock, shares issued	37,764,039	37,788,804
Treasury stock, shares	706,999	816,302