Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2016

Compensation and Retirement Disclosure [Abstract]

Components of net periodic benefit cost

Components of net pension expense were as follows:

	Three months ended June 30,					Six months ended June 30,
	2016			2015		2016			2015
	(In thousands)
Pension Benefits
Company-administered plans:
Service cost	$	3,005		3,566		$	6,405		7,193
Interest cost	27,093			22,048		49,332			43,935
Expected return on plan assets	(22,667		)	(25,021	)	(45,752		)	(49,921	)
Amortization of:
Net actuarial loss	8,600			7,664		16,565			15,472
Prior service cost/(credit)	2,740			(74	)	2,740			(150	)
	18,771			8,183		29,290			16,529
Union-administered plans	2,406			2,113		4,728			4,285
Net pension expense	$	21,177		10,296		$	34,018		20,814
Company-administered plans:
U.S.	$	19,263		8,599		$	30,437		17,491
Non-U.S.	(492		)	(416	)	(1,147		)	(962	)
	18,771			8,183		29,290			16,529
Union-administered plans	2,406			2,113		4,728			4,285
Net pension expense	$	21,177		10,296		$	34,018		20,814