Pensions (Tables)

6 Months Ended

Jun. 30, 2014

Pensions [Abstract]

Components of Net Periodic Pension Cost

Components of Net Periodic Pension Cost

	Three Months Ended June 30						Six Months Ended June 30
	2014			2013			2014			2013
Service cost	$	238		$	297		$	476		$	594
Interest cost		361			320			722			640
Expected return on plan assets		(497	)		(411	)		(994	)		(822	)
Amortization of actuarial loss		32			175			63			349
Amortization of prior service cost		(3	)		2			(6	)		5
Rate-regulated adjustment		444			15			771			30
Net periodic pension expense	$	575		$	398		$	1,032		$	796