Pension Plan

Park has a noncontributory defined benefit pension plan covering substantially all of its employees. The plan provides benefits based on an employee’s years of service and compensation.

There were no pension plan contributions for the three-month or nine-month periods ended September 30, 2017 and 2016.

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



	Three Months Ended September 30,						Nine Months Ended September 30,
(In thousands)	2017			2016			2017			2016
Service cost	$	1,317		$	1,264		$	3,951		$	3,792
Interest cost	1,271			1,217			3,813			3,651
Expected return on plan assets	(2,863		)	(2,737		)	(8,589		)	(8,211		)
Amortization of prior service cost	—			—			—			—
Recognized net actuarial loss	144			193			432			579
Net periodic benefit income	$	(131	)	$	(63	)	$	(393	)	$	(189	)