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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
shares in Thousands, $ in Thousands
Oct. 31, 2015
Aug. 01, 2015
Statement of Financial Position [Abstract]    
Accounts receivable, allowance (in dollars) $ 10,181 $ 7,489
Intangible assets, accumulated amortization (in dollars) $ 27,578 $ 25,717
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, authorized shares 5,000 5,000
Preferred stock, issued shares 0 0
Preferred stock, outstanding shares 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, authorized shares 100,000 100,000
Common stock, issued shares 50,315 50,096
Common stock, outstanding shares 50,315 50,096