Investment (Income) Expense, Net (Tables)

9 Months Ended

Feb. 28, 2021

Other Income And Expenses [Abstract]

Investment (Income) Expense, Net

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

	Three Months Ended						Nine Months Ended
	February 28,			February 29,			February 28,			February 29,
(In thousands)	2021			2020			2021			2020
Interest (income)	$	(968	)	$	(1,292	)	$	(2,409	)	$	(4,068	)
Net (gain) loss on marketable securities		(9,480	)		6,918			(29,652	)		(3,562	)
Dividend (income)		(1,006	)		(1,790	)		(1,674	)		(2,724	)
Investment (income) expense, net	$	(11,454	)	$	3,836		$	(33,735	)	$	(10,354	)

Net (Gain) Loss on Marketable Securities

Net (Gain) Loss on Marketable Securities

	Three Months Ended						Nine Months Ended
	February 28,			February 29,			February 28,			February 29,
(In thousands)	2021			2020			2021			2020
Unrealized (gains) losses on marketable equity securities	$	(6,650	)	$	8,079		$	(28,469	)	$	(2,459	)
Realized (gains) on marketable equity securities		(2,834	)		(1,153	)		(1,210	)		(1,107	)
Realized (gains) losses on available-for-sale debt securities		4			(8	)		27			4
Net (gain) loss on marketable securities	$	(9,480	)	$	6,918		$	(29,652	)	$	(3,562	)