Pensions

3 Months Ended

Mar. 31, 2017

Pensions [Abstract]

Pensions

4. Pensions

Components of Net Periodic Pension Cost

	Three Months Ended March 31
	2017			2016
Service cost	$	270		$	254
Interest cost		398			400
Expected return on plan assets		(599	)		(558	)
Amortization of actuarial loss		123			140
Amortization of prior service credit		(3	)		(3	)
Rate-regulated adjustment		386			342
Net periodic pension expense	$	575		$	575

Employer Contributions

The Company previously disclosed in its financial statements for the year ended December 31, 2016 that it expected to contribute $2,300 to its pension plans in 2017.  For the quarter ended March 31, 2017, contributions of $575 had been made.  The Company expects to contribute $1,725 over the final three quarters of 2017.