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Accounts Receivable, Net (Tables)
9 Months Ended
Sep. 27, 2013
Receivables [Abstract]  
Accounts Receivable, Net
At September 27, 2013 and December 28, 2012, accounts receivable, net, was comprised of the following:
 
 
 
September 27,
 
December 28,
 
(In thousands)
 
2013
 
2012
 
 
 
 
 
 
 
 
 
Billed accounts receivable
 
$
52,733
 
$
54,653
 
Unbilled accounts receivable
 
 
32,216
 
 
33,374
 
Allowance for doubtful accounts
 
 
(2,772)
 
 
(2,666)
 
Total accounts receivable, net
 
$
82,177
 
$
85,361