Pension Plan (Tables)

3 Months Ended

Mar. 31, 2017

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Components Of Net Periodic Benefit Expense

The following table shows the components of net periodic benefit income:

	Three Months Ended March 31,
(In thousands)	2017			2016
Service cost	$	1,317		$	1,264
Interest cost	1,271			1,217
Expected return on plan assets	(2,863		)	(2,737		)
Amortization of prior service cost	—			—
Recognized net actuarial loss	144			193
Net periodic benefit income	$	(131	)	$	(63	)