Defined Benefit Plans

6 Months Ended

Jun. 30, 2017

Compensation and Retirement Disclosure [Abstract]

Defined Benefit Plans

Defined Benefit Plans

The components of the combined net periodic expense (benefit) for our defined benefit pension plans are presented in the table below.

	Three Months Ended   June 30,						Six Months Ended   June 30,
	2017			2016			2017			2016
Expected return on plan assets, net of expenses	$	(2,780	)	$	(2,889	)	$	(5,559	)	$	(5,779	)
Interest cost on projected benefit obligation	1,548			1,749			3,095			3,498
Net amortization and deferral	1,358			1,553			2,715			3,106
SERP settlement costs	—			187			—			187
Net periodic expense (benefit)	$	126		$	600		$	251		$	1,012

Our non-qualified defined benefit pension plan is not funded. No contributions to the qualified defined benefit pension plan were made during the six months ended June 30, 2017. We do not expect to make any contributions to the qualified defined benefit plan during the remainder of 2017.