PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS

The following tables are consolidated disclosures of all domestic and foreign defined pension plans as described in the Corporation’s 2016 Annual Report on Form 10-K.

Pension Plans

The components of net periodic pension cost for the three and six months ended June 30, 2017 and 2016 were as follows:



	Three Months Ended						Six Months Ended
(In thousands)	June 30,						June 30,
	2017			2016			2017			2016
Service cost	$	6,474		$	6,248		$	12,945		$	12,485
Interest cost	6,236			7,709			12,455			15,412
Expected return on plan assets	(13,310		)	(13,590		)	(26,595		)	(27,171		)
Amortization of prior service cost	(26		)	(11		)	(51		)	(23		)
Amortization of unrecognized actuarial loss	3,585			3,093			7,166			6,186
Net periodic benefit cost	$	2,959		$	3,449		$	5,920		$	6,889

During the six months ended June 30, 2017, the Corporation made no contributions to the Curtiss-Wright Pension Plan, and does not expect to make any contributions in 2017. Contributions to the foreign benefit plans are not expected to be material in 2017.

Defined Contribution Retirement Plan

Effective January 1, 2014, all non-union employees who are not currently receiving final or career average pay benefits became eligible to receive employer contributions in the Corporation’s sponsored 401(k) plan. The employer contributions include both employer match and non-elective contribution components, up to a maximum employer contribution of 6% of eligible compensation. During the six months ended June 30, 2017 and 2016, the expense relating to the plan was $6.8 million and $6.0 million, respectively. The Corporation made $9.4 million in contributions to the plan during the six months ended June 30, 2017, and expects to make total contributions of $11.8 million in 2017.