XML 28 R13.htm IDEA: XBRL DOCUMENT v3.10.0.1
Accounts Receivable
 12 Months Ended
Dec. 31, 2018
Receivables [Abstract]  
Accounts Receivable
Accounts Receivable
Accounts receivable are net of an allowance for doubtful accounts. The following table summarizes the Company’s allowance for doubtful accounts and the activity for 2018, 2017 and 2016 (in thousands):
 
Year Ended December 31,
 
2018
 
2017
 
2016
Allowance for doubtful accounts, beginning of year
$
7,630

 
$
6,457

 
$
6,853

Charges to costs and expenses
879

 
2,303

 
1,460

Write-offs of uncollectible accounts, net of recoveries
(3,985
)
 
(1,505
)
 
(1,661
)
Business disposals
(593
)
 
—

 
—

Currency translation adjustments
353

 
375

 
(195
)
Allowance for doubtful accounts, end of year
$
4,284

 
$
7,630

 
$
6,457