Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2017

Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts

	2017		2016		2015
	(In thousands)
Allowance for doubtful accounts:
Balance at beginning of year	$	5,610	$	8,189	$	7,821
Additions—
Charged to costs and expenses (2)	1,649		1,471		1,676
Deductions—
Deductions from reserves, net (1)(2)	1,719		4,050		1,308
Balance at end of year	5,540		5,610		8,189
Income tax valuation allowance:
Balance at beginning of year	$	5,303	$	5,153	$	3,763
Additions—
Charged to costs and expenses	906		3,095		1,390
Deductions—
Deductions from reserves (3)	1,650		2,945		—
Balance at end of year	$	4,559	$	5,303	$	5,153

(1) Bad debts written off, net of recoveries.

(2) Activity for 2017, 2016 and 2015 includes currency translation gains (losses) of $285, $(203) and $(535), respectively.

(3) Activity for 2017, 2016 and 2015 includes currency translation gains of $248, $113 and $392, respectively.