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Allowance for Credit Losses (Tables)
 3 Months Ended
Jul. 27, 2013
Allowance for Credit Losses [Abstract]  
Analysis of allowance for credit losses
The following is an analysis of the allowance for credit losses related to our notes receivable as of and for the three months ended July 27, 2013, and July 28, 2012:

 
 
Quarter Ended
 
(Unaudited, amounts in thousands)
 
7/27/13
  
7/28/12
 
Beginning balance
 
$
1,986
  
$
1,537
 
Recoveries
  
—
   
(18
)
Write-offs
  
(320
)
  
—
 
Provision for credit losses
  
60
   
—
 
Ending balance
 
$
1,726
  
$
1,519