Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2016

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

The components of net periodic benefit cost are as follows:

	Pension Benefits
	Three Months Ended June 30,						Six Months Ended June 30,
(In thousands)	2016			2015			2016			2015
Service cost	$	198		$	207		$	396		$	415
Interest cost	3,649			3,517			7,298			7,035
Expected return on assets	(3,788		)	(3,902		)	(7,576		)	(7,804		)
Amortization of unrecognized prior service costs	75			570			150			1,140
Amortization of actuarial losses/(gains)	830			1,057			1,660			2,113
Net periodic pension cost	$	964		$	1,449		$	1,928		$	2,899

	Postretirement Benefits
	Three Months Ended June 30,						Six Months Ended June 30,
(In thousands)	2016			2015			2016			2015
Service cost	$	26		$	41		$	52		$	83
Interest cost	64			144			127			288
Amortization of unrecognized prior service costs	(636		)	(160		)	(1,271		)	(319		)
Amortization of actuarial losses/(gains)	245			81			490			163
Net periodic postretirement cost	$	(301	)	$	106		$	(602	)	$	215