Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2017

Retirement Benefits [Abstract]

Components of net pension expense

Components of net pension expense were as follows:

	Three months ended September 30,					Nine months ended September 30,
	2017			2016		2017			2016
	(In thousands)
Pension Benefits
Company-administered plans:
Service cost	$	3,165		2,660		$	9,431		9,065
Interest cost	21,609			22,754		64,524			72,086
Expected return on plan assets	(22,822		)	(22,601	)	(68,012		)	(68,353	)
Amortization of:
Net actuarial loss	8,336			7,324		24,863			23,889
Prior service cost	133			320		399			3,060
	10,421			10,457		31,205			39,747
Union-administered plans	7,873			2,493		12,996			7,221
Net pension expense	$	18,294		12,950		$	44,201		46,968
Company-administered plans:
U.S.	$	10,929		10,952		$	32,787		41,389
Non-U.S.	(508		)	(495	)	(1,582		)	(1,642	)
	10,421			10,457		31,205			39,747
Union-administered plans	7,873			2,493		12,996			7,221
Net pension expense	$	18,294		12,950		$	44,201		46,968