Pension Plans (Tables)

3 Months Ended

Aug. 31, 2017

Compensation And Retirement Disclosure [Abstract]

Retirement-Related Benefit Plans' Impact on Income Before Income Taxes

The following tables provide the retirement-related benefit plans’ impact on income before income taxes for the three month periods ended August 31, 2017 and 2016:

	U.S. Plans						Non-U.S. Plans
	Three Months Ended						Three Months Ended
	August 31,			August 31,			August 31,			August 31,
Pension Benefits	2017			2016			2017			2016
(In thousands)
Service cost	$	9,465		$	9,401		$	1,175		$	1,127
Interest cost		4,379			4,331			1,145			1,224
Expected return on plan assets		(8,086	)		(6,252	)		(1,978	)		(1,886	)
Amortization of:
Prior service cost (credit)		29			54			(6	)
Net actuarial losses recognized		3,618			5,540			419			573
Net Periodic Benefit Cost	$	9,405		$	13,074		$	755		$	1,038

	U.S. Plans						Non-U.S. Plans
	Three Months Ended						Three Months Ended
	August 31,			August 31,			August 31,		August 31,
Postretirement Benefits	2017			2016			2017		2016
(In thousands)
Service cost	$	-		$	-		$	311	$	284
Interest cost		43			57			224		222
Amortization of:
Prior service (credit)		(55	)		(58	)
Net actuarial losses recognized		6						79		60
Net Periodic Benefit Cost	$	(6	)	$	(1	)	$	614	$	566