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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Apr. 30, 2014
Oct. 31, 2013
Statement of Financial Position [Abstract]    
Allowance for accounts receivable $ 846 $ 481
Accumulated depreciation of property, plant and equipment $ 197,233 $ 185,269
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 37,640,432 37,653,639
Treasury stock, shares 125,756 488,385