The components of other comprehensive income (loss) ("OCI"), including the income tax expense or benefit allocated to each component, were as follows:

	Three months ended June 30,						Six months ended June 30,
	2018			2017			2018			2017
	(In thousands)
Foreign currency translation adjustments:
Change in unrealized foreign currency translation gains (losses) before income taxes	$	(5,902	)	$	6,753		$	(14,304	)	$	7,880
Income tax expense (benefit) on unrealized foreign currency translation gains (losses)		-			74			-			88
Change in unrealized foreign currency translation gains (losses), net of income taxes	$	(5,902	)	$	6,679		$	(14,304	)	$	7,792
Unrealized gain (losses) on available-for-sale securities:
Change in unrealized holding gains (losses) arising during period before income taxes	$	(15,578	)	$	3,889		$	(47,920	)	$	11,170
Income tax expense (benefit) on unrealized holding gains (losses) arising during period		(3,306	)		1,361			(10,154	)		3,910
Change in unrealized holding gains (losses) on available-for-sale securities arising during period, net of income taxes		(12,272	)		2,528			(37,766	)		7,260

Reclassification from accumulated OCI to net income for (gains) losses realized on available-for-sale securities		(347	)		(273	)		(662	)		(341	)
Income tax (expense) benefit on (gains) losses reclassified from accumulated OCI to net income		(73	)		(96	)		(139	)		(119	)
Reclassification from accumulated OCI to net income for (gains) losses realized on available-for-sale securities, net of income taxes		(274	)		(177	)		(523	)		(222	)
Change in unrealized gains (losses) on available-for-sale securities, net of income taxes and reclassification adjustment	$	(12,546	)	$	2,351		$	(38,289	)	$	7,038