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Schedule II Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2011
Schedule II Valuation and Qualifying Accounts [Abstract]  
Schedule II Valuation and Qualifying Accounts
Schedule II Valuation and Qualifying Accounts
 
Column A
 
Column B
 
Column C
 
Column D
 
Column E
   
Balance at
 
 Charged to
     
Balance at
   
Beginning
 
 Cost and
     
End of
Description
 
of Period
 
Expenses
 
Deductions
 
Period
Year ended December 31, 2011
               
Deducted from asset account:
               
Allowance for doubtful accounts
 
$     435,000
 
     $      793,000
 
$        25,000
 
$ 1,203,000
           
 
   
Year ended January 1, 2011
               
Deducted from asset account:
               
Allowance for doubtful accounts
 
$     355,000
 
$        85,000
 
$          5,000
 
$    435,000
                 
Year ended January 2, 2010
               
Deducted from asset account:
               
Allowance for doubtful accounts
 
$     816,000
 
$      498,000
 
$      959,000
 
$    355,000
                 
Deductions represent uncollected accounts and credit balances written off against reserve, net of recoveries.