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Schedule of Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2014
Valuation and Qualifying Accounts [Abstract]  
Valuation and Qualifying Accounts
 
2014
 
2013
 
2012
 
(In thousands)
Allowance for doubtful accounts:
 
Balance at beginning of year
$
7,306

 
$
7,402

 
$
7,043

Additions—
 
 
 
 
 
Charged to costs and expenses
1,249

 
763

 
1,289

Deductions—
 
 
 
 
 
Deductions from reserves, net (1)(2)
734

 
859

 
930

Balance at end of year
7,821

 
7,306

 
7,402

Income tax valuation allowance:
 
 
 
 
 
Balance at beginning of year
$
4,938

 
$
3,961

 
$
2,777

Additions—
 
 
 
 
 
Charged to costs and expenses (3)
—

 
977

 
1,184

Deductions—
 
 
 
 
 
Deductions from reserves (3)
1,175

 
—

 
—

Balance at end of year
3,763

 
4,938

 
3,961

 
(1)
Bad debts written off, net of recoveries.
(2)
Activity for 2014, 2013 and 2012 includes currency translation gains (losses) of $(332), $(121) and $428, respectively.
(3)
Activity for 2014, 2013 and 2012 includes currency translation gains (losses) of $(643), $242 and $97, respectively.