XML 38 R26.htm IDEA: XBRL DOCUMENT v3.10.0.1
Schedule II Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2018
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, 2018, 2017, and 2016
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
 
2016
Allowance for losses:
Trade accounts receivable
 
$
3,871
  
$
1,747
  
$
0
  
$
782
  
$
4,836
 
                     
2017
Allowance for losses:
Trade accounts receivable
 
$
4,836
  
$
1,276
  
$
0
  
$
112
  
$
6,000
 
                     
2018
Allowance for losses:
Trade accounts receivable
 
$
6,000
  
$
1,004
  
$
0
  
$
1,028
  
$
5,976
 
(A) Accounts written off, net of recoveries.