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Share Repurchases
12 Months Ended
Aug. 03, 2012
Share Repurchases [Abstract]  
Share Repurchases
7. 
Share Repurchases
 
In 2012, the Company was authorized to repurchase shares at management's discretion up to a maximum aggregate purchase price of $65,000.  In 2011 and 2010, the Company was authorized to repurchase shares to offset share dilution that resulted from the issuance of shares under its equity compensation plans up to the same maximum aggregate purchase price amount.  In 2013, the Company has been authorized to repurchase shares at management's discretion up to a maximum aggregate purchase price of $100,000.

The following table summarizes our share repurchases for the last three years:

   
2012
  
2011
  
2010
 
Shares of common stock repurchased
  265,538   676,600   1,352,000 
Cost of shares repurchased
 $14,923  $33,563  $62,487