Non-operating (loss) income

3 Months Ended

Mar. 31, 2018

Non-operating (loss) income, net [Abstract]

Other Income and Other Expense Disclosure [Text Block]

Non-operating Income, Net

The following table presents the components of Non-operating income, net:

	Three Months Ended March 31,
	2018		2017
	(In thousands)
Interest income	$	7,489	$	2,245
Other, net	315		(944		)
Total non-operating income, net	$	7,804	$	1,301