Defined Benefit Plans

6 Months Ended

Jun. 30, 2017

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Defined Benefit Plans

Defined Benefit Plans

Net periodic pension benefit costs for the Company's defined benefit pension plans cover certain foreign employees, union hourly employees and salaried employees. The components of net periodic pension cost for the three and six months ended June 30, 2017 and 2016 are as follows (dollars in thousands):

	Pension Plans
	Three months ended June 30,						Six months ended June 30,
	2017			2016			2017			2016
Service costs	$	270		$	240		$	550		$	490
Interest costs	320			390			640			790
Expected return on plan assets	(360		)	(420		)	(730		)	(840		)
Amortization of net loss	250			250			500			480
Net periodic benefit cost	$	480		$	460		$	960		$	920

The Company contributed approximately $0.8 million and $1.1 million to its defined benefit pension plans during the three and six months ended June 30, 2017, respectively. The Company expects to contribute approximately $3.1 million to its defined benefit pension plans for the full year 2017.