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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Oct. 31, 2016
Oct. 31, 2015
Statement of Financial Position [Abstract]    
Accounts receivable, allowances $ 3,201 $ 2,561
Preferred Stock, par value $ 0.01 $ 0.01
Preferred Stock, shares authorized 2,000,000 2,000,000
Preferred Stock, shares outstanding 0 0
Common Stock, par value $ 0.01 $ 0.01
Common Stock, shares authorized 400,000,000 400,000,000
Common Stock, shares outstanding 151,454,000 155,157,000
Treasury stock, shares 5,811,000 2,107,000