Pensions

Components of Net Periodic Pension Cost
	Three Months Ended September 30		Nine Months Ended September 30
	2013	2012	2013	2012

Service cost	$ 297	$ 263	$ 891	$ 788
Interest cost	320	322	960	966
Expected return on plan assets	(411)	(361)	(1,233)	(1,082)
Amortization of actuarial loss	174	161	523	481
Amortization of prior service cost	3	4	8	13
Rate-regulated adjustment	15	9	45	28
Net periodic pension expense	$ 398	$ 398	$ 1,194	$ 1,194

Employer Contributions

The Company previously disclosed in its financial statements for the year ended December 31, 2012 that it expected to contribute $1,593 to its pension plans in 2013. As of September 30, 2013, contributions of $1,593 had been made. At this time, the Company does not expect to contribute any additional amount during the remainder of 2013.