Investment (Income), Net (Tables)

6 Months Ended

Nov. 30, 2020

Other Income And Expenses [Abstract]

Investment (Income), Net

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

	Three Months Ended						Six Months Ended
	November 30,			November 30,			November 30,			November 30,
(In thousands)	2020			2019			2020			2019
Interest (income)	$	(774	)	$	(1,429	)	$	(1,441	)	$	(2,776	)
Net (gain) on marketable securities		(8,388	)		(6,939	)		(20,172	)		(10,479	)
Dividend (income)		(357	)		(437	)		(668	)		(935	)
Investment (income), net	$	(9,519	)	$	(8,805	)	$	(22,281	)	$	(14,190	)

Net (Gain) on Marketable Securities

Net (Gain) on Marketable Securities

	Three Months Ended						Six Months Ended
	November 30,			November 30,			November 30,			November 30,
(In thousands)	2020			2019			2020			2019
Unrealized (gains) on marketable equity securities	$	(7,863	)	$	(7,062	)	$	(21,819	)	$	(10,538	)
Realized (gains) losses on marketable equity securities		(548	)		114			1,624			46
Realized losses on available-for-sale debt securities		23			9			23			13
Net (gain) on marketable securities	$	(8,388	)	$	(6,939	)	$	(20,172	)	$	(10,479	)