Retirement Plans

6 Months Ended

Jun. 30, 2017

Our United Kingdom subsidiary has a defined benefit pension plan covering all eligible employees (the “UK Plan”); however, no individual joining the company after October 31, 2001 may participate in the UK Plan. On May 31, 2010, we curtailed the future accrual of benefits for active employees under such plan.

Components of Net Periodic Pension Cost

The components of net periodic pension cost of the UK Plan for the three and six months ended June 30, 2017 and 2016 were as follows (in thousands):



	For the three months ended June 30,						For the six months ended June 30,
	2017			2016			2017			2016
Interest cost	$	2,124		$	2,696		$	4,169		$	5,381
Expected return on plan assets	(3,327		)	(3,717		)	(6,531		)	(7,418		)
Amortization of unrecognized loss	724			535			1,422			1,067
Net periodic pension cost (income)	$	(479	)	$	(486	)	$	(940	)	$	(970	)

Employer Contributions

For the six months ended June 30, 2017, our United Kingdom subsidiary contributed approximately $2.3 million to the UK Plan and anticipates contributing an additional $2.3 million during the remainder of 2017.