Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2016

Pension and Other Postretirement Benefit Expense [Abstract]

Pension Benefit Costs

The following table details the components of pension benefit costs:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(In thousands)
Service cost	$	—		$	2		$	—		$	7
Interest cost	2,803			3,688			9,338			10,953
Expected return on plan assets	(4,641		)	(5,044		)	(13,623		)	(15,275		)
Curtailments	—			526			454			526
Amortization of other actuarial losses	2,292			1,395			3,973			6,638
Net costs	$	454		$	567		$	142		$	2,849

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

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(In thousands)
Service cost	$	128		$	216		$	393		$	649
Interest cost	951			321			3,223			964
Curtailments	—			—			(970		)	—
Amortization of prior service credits	(2,509		)	(2,084		)	(7,854		)	(6,251		)
Amortization of other actuarial losses (gains)	283			(527		)	(849		)	(1,582		)
Net credit	$	(1,147	)	$	(2,074	)	$	(6,057	)	$	(6,220	)