Stockholders' equity (Tables)

3 Months Ended

Mar. 31, 2017

Stockholders’ equity disclosure

Schedule of Accumulated Other Comprehensive Income, Net of Related Taxes

The components of accumulated other comprehensive loss, net of related taxes, were as follows (in thousands):

	Foreign Currency Translation Adjustments		Unrealized Gain (Loss) on Available-For-Sale Securities		Defined Benefit Pension Plan Adjustment		Total Accumulated Other Comprehensive Loss
Balance at December 31, 2016	$	(8,235)	$	(19)	$	(147)	$	(8,401)
Other comprehensive income, net of taxes of zero and reclassifications		2,468		3		—		2,471
Balance at March 31, 2017	$	(5,767)	$	(16)	$	(147)	$	(5,930)