Employee Benefit Plans

3 Months Ended

Mar. 31, 2016

Pension and Other Postretirement Benefit Expense [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The following table details the components of pension benefit costs (credits):

	Three Months Ended March 31,
	2016			2015
	(In thousands)
Service cost	$	—		$	4
Interest cost	3,338			3,570
Expected return on plan assets	(4,538		)	(5,764		)
Amortization of other actuarial losses	757			2,058
Net credit	$	(443	)	$	(132	)

The following table details the components of other postretirement benefit costs (credits):

	Three Months Ended March 31,
	2016			2015
	(In thousands)
Service cost	$	160		$	233
Interest cost	1,134			335
Amortization of prior service credits	(2,673		)	(2,084		)
Amortization of other actuarial losses (gains)	(566		)	(456		)
Net credit	$	(1,945	)	$	(1,972	)