Other Non-Operating Income (Expense), Net (Tables)

12 Months Ended

Dec. 31, 2020

Other Non-Operating Income (Expense), Net [Abstract]

Components of Other Non-Operating Income (Expense)

The components of other non-operating income (expense), net are as follows:

	Year Ended December 31,
	2020			2019			2018
	(In thousands)
Interest and dividend income	$	109		$	97		$	80
Equity income (loss) from joint ventures (1)		820			2,865			(768	)
Gain (loss) on foreign exchange		(350	)		(502	)		(120	)
Postretirement plan net periodic benefit credit (cost)		27			25			262
Other non-operating income, net		206			102			135
Total other non-operating income (expense), net	$	812		$	2,587		$	(411	)

(1) Year ended December 31, 2018 includes a noncash impairment charge of approximately $1.7 million related to our minority interest investment in Orange Electronic Co., Ltd.  See Note 9, “Investments in Unconsolidated Affiliates” for additional information.