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Allowance for Doubtful Accounts (Tables)
 3 Months Ended
Apr. 04, 2015
Allowance for Doubtful Accounts [Abstract]  
Allowance for doubtful accounts
Allowance for doubtful accounts consists of the following (in thousands):
 
April 4,
2015
 
January 3,
2015
Allowance for doubtful accounts, current
$
3,524

 
$
3,542

Allowance for doubtful accounts, non-current
4,996

 
4,549

 
$
8,520

 
$
8,091