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Consolidated Balance Sheets (Parenthetical) - USD ($)
shares in Thousands, $ in Thousands
Jul. 29, 2017
Oct. 29, 2016
Statement of Financial Position [Abstract]    
Accounts receivable, allowances $ 1,818 $ 1,736
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 5,000 5,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 800,000 800,000
Common stock, shares issued 413,745 401,748
Common stock, shares outstanding 413,745 401,748