Employee Benefit Plans

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



	Successor			Predecessor			Successor			Predecessor
	Three Months Ended June 30, 2017			Three Months Ended June 30, 2016			Six Months Ended June 30, 2017			Six Months Ended June 30, 2016
(In thousands)
Interest cost	$	2,991		$	3,197		$	5,982		$	6,535
Expected return on plan assets	(4,499		)	(4,444		)	(8,996		)	(8,982		)
Pension settlement	(487		)	454			(487		)	454
Amortization of other actuarial losses	—			924			—			1,681
Net benefit cost (credit)	$	(1,995	)	$	131		$	(3,501	)	$	(312	)

During the second quarter of 2017 the Company recorded a pension settlement related to its cash balance pension plan as the qualifying distributions from the plan exceeded the annual service and interest costs of the plan. Additionally, in accordance with accounting guidance, the Company revalued the cash balance pension liability which reduced the liability by approximately $3.6 million with the offset to accumulated other comprehensive income. The discount rate used for the revaluation was 3.59%.

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



	Successor		Predecessor			Successor		Predecessor
	Three Months Ended June 30, 2017		Three Months Ended June 30, 2016			Six Months Ended June 30, 2017		Six Months Ended June 30, 2016
(In thousands)
Service cost	$	171	$	105		$	341	$	265
Interest cost	1,059		1,138			2,117		2,272
Curtailments	—		(970		)	—		(970		)
Amortization of prior service credits	—		(2,672		)	—		(5,345		)
Amortization of other actuarial losses (gains)	—		(566		)	—		(1,132		)
Net benefit cost (credit)	$	1,230	$	(2,965	)	$	2,458	$	(4,910	)