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Schedule II Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2013
Schedule II - Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
Schedule II
Valuation and Qualifying Accounts (in thousands); Years Ended December 31, 2013, 2012 and 2011
 
Valuation Accounts Deducted in the Balance Sheet From the Assets to Which They Apply
 
Balance at Beginning of Period
  
Additions Charged to Costs and Expenses
  
Additions Recorded During Acquisitions
  
Deductions
(A)
  
Balance at End of Period
 
 
 
 
  
 
  
 
  
 
  
 
 
2011
Allowance for losses:
Trade accounts receivable
 
$3,999
  
$747
  
$0
  
$1,158
  
$3,588
 
 
                    
2012
Allowance for losses:
Trade accounts receivable
 
$3,588
  
$745
  
$0
  
$1,288
  
$3,045
 
 
                    
2013
Allowance for losses:
Trade accounts receivable
 
$3,045
  
$1,413
  
$0
  
$130
  
$4,327
 
(A) Accounts written off, net of recoveries.