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Valuation Accounts
 12 Months Ended
Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Valuation Accounts
VALUATION ACCOUNTS
 
Activity in the valuation accounts was as follows (in thousands): 
 
Balance at
Beginning
of Period
 
Charged (Reduction) to
Costs and
Expenses
 
Deductions
(Net of
Recoveries)
 
Translation
and Other,
Net
 
Balance
at End of
Period
Year Ended December 31, 2019:
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts receivable
$
376

 
$
(5
)
 
$
(122
)
 
$
4

 
$
253

Valuation allowance for deferred tax assets
82,833

 
2,257

 
(499
)
 
(88
)
 
84,503

 
 
 
 
 
 
 
 
 
 
Year Ended December 31, 2018:
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts receivable
$
1,338

 
$
(787
)
 
$
(143
)
 
$
(32
)
 
$
376

Valuation allowance for deferred tax assets
90,663

 
(622
)
 
(1,119
)
 
(6,089
)
 
82,833

 
 
 
 
 
 
 
 
 
 
Year Ended December 31, 2017:
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts receivable
$
638

 
$
48

 
$
(23
)
 
$
675

 
$
1,338

Valuation allowance for deferred tax assets
76,157

 
10,083

 
(242
)
 
4,665

 
90,663