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Accounts Receivable (Tables)
 9 Months Ended
Nov. 23, 2012
Accounts Receivable [Abstract]  
Components of accounts receivable
The components of accounts receivable are as follows:

 
November 23,
2012
(unaudited)
 
 
February 24,
2012
 
U.S. Government
 
$
4,467
 
 
$
4,305
 
U.S. Commercial
 
 
1,237
 
 
 
2,994
 
International
 
 
9,072
 
 
 
3,797
 
 
 
14,777
 
 
 
11,095
 
Less: allowance for doubtful accounts
 
 
(450
)
 
 
(400
)
 
$
14,327
 
 
$
10,695