PENSION AND POSTRETIREMENT PLANS

6 Months Ended

Jun. 30, 2014

Pension and Other Postretirement Benefit Expense [Abstract]

PENSION AND POSTRETIREMENT PLANS

PENSION AND POSTRETIREMENT PLANS

A summary of the components of net periodic pension benefit costs for the three and six months ended June 30, 2014 and 2013 is presented below (in thousands):

	Pension Benefits						Postretirement Benefits
	Three Months Ended   June 30,						Three Months Ended   June 30,
	2014			2013			2014			2013
Service cost	$	362		$	342		$	3		$	4
Interest cost	2,124			1,835			22			23
Expected return on plan assets	(2,501		)	(2,352		)	—			—
Amortization of prior service credit	(102		)	(101		)	—			(64		)
Amortization of transition asset	(71		)	(67		)	—			—
Amortization of actuarial loss (gain)	436			797			(14		)	(1		)
Net periodic cost (benefit)	$	248		$	454		$	11		$	(38	)

	Pension Benefits						Postretirement Benefits
	Six Months Ended   June 30,						Six Months Ended   June 30,
	2014			2013			2014			2013
Service cost	$	726		$	690		$	6		$	8
Interest cost	4,244			3,678			44			46
Expected return on plan assets	(4,996		)	(4,717		)	—			—
Amortization of prior service credit	(204		)	(204		)	—			(128		)
Amortization of transition asset	(142		)	(135		)	—			—
Amortization of loss (gain)	871			1,601			(28		)	(2		)
Net periodic cost (benefit)	$	499		$	913		$	22		$	(76	)