Other, Net (Tables)

6 Months Ended

Jun. 30, 2018

Other Income And Expenses [Abstract]

Other Net in Consolidated Statements of Income

Other, net in the consolidated statements of income included the following:

(In thousands)	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Foreign exchange gains (losses)	$	116		$	(15	)	$	1,169		$	(499	)
Investment income		90			49			229			151
Realized and unrealized gains on investments		407			931			504			2,576
Net periodic benefit cost		(129	)		(172	)		(258	)		(343	)
Other, net	$	484		$	793		$	1,644		$	1,885