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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
 
2018
 
2017
 
2016
 
(In thousands)
Allowance for doubtful accounts:
 
Balance at beginning of year
$
5,540

 
$
5,610

 
$
8,189

Additions—
 
 
 
 
 
Charged to costs and expenses (2)
375

 
1,649

 
1,471

Deductions—
 
 
 
 
 
Deductions from reserves, net (1)(2)
546

 
1,719

 
4,050

Balance at end of year
5,369

 
5,540

 
5,610

Income tax valuation allowance:
 
 
 
 
 
Balance at beginning of year
$
4,559

 
$
5,303

 
$
5,153

Additions—
 
 
 
 
 
Charged to costs and expenses (3)
859

 
906

 
3,095

Deductions—
 
 
 
 
 
Deductions from reserves (3)
379

 
1,650

 
2,945

Balance at end of year
$
5,039

 
$
4,559

 
$
5,303

 
(1)
Bad debts written off, net of recoveries.
(2)
Activity for 2018, 2017 and 2016 includes currency translation (losses) gains of $(291), $285 and $(203), respectively.
(3)
Activity for 2018, 2017 and 2016 includes currency translation (losses) gains of $(367), $248 and $113, respectively.