Pension Benefits

6 Months Ended

Jun. 30, 2017

Retirement Benefits [Abstract]

Pension Benefits

Pension Benefits

We froze our pension plan effective March 31, 2006, pursuant to which most participants no longer earned future pension benefits. Effective February 16, 2009, the remaining participants in the pension plan no longer earned future benefits. The following summarizes our pension costs during the three and six months ended June 30, 2017 and June 30, 2016:

	Three Months Ended						Six Months Ended
(Amounts in thousands)	June 30, 2017			June 30, 2016			June 30, 2017			June 30, 2016
Service cost	$	425		$	600		$	850		$	1,200
Interest cost	2,066			2,242			4,131			4,484
Expected return on plan assets	(3,210		)	(3,117		)	(6,421		)	(6,233		)
Amortization of net actuarial loss	210			247			421			494
Total net periodic benefit	$	(509	)	$	(28	)	$	(1,019	)	$	(55	)

Weighted-Average Assumptions Used To Determine Net Cost

	Three Months Ended				Six Months Ended
	June 30, 2017		June 30, 2016		June 30, 2017		June 30, 2016
Discount rate	3.90	%	4.10	%	3.90	%	4.10	%
Rate of compensation increase	N/A		N/A		N/A		N/A
Expected return on plan assets	7.25	%	7.25	%	7.25	%	7.25	%

Employer Contributions

During the six months ended June 30, 2017 and June 30, 2016, we made pension contributions of $1.5 million and $3.0 million, respectively.