Investment (Income), Net (Tables)

3 Months Ended

Aug. 31, 2017

Other Income And Expenses [Abstract]

Investment (Income), Net

Investment (income), net, consists of the following components:

	Three Months Ended
	August 31,			August 31,
(In thousands)	2017			2016
Interest (income)	$	(894	)	$	(1,140	)
Net (gain) on sale of marketable securities		(2,861	)		(2,584	)
Other-than-temporary impairment on securities		-			186
Dividend (income)		(698	)		(300	)
Investment (income), net	$	(4,453	)	$	(3,838	)