Components of Net Periodic Benefit Cost (Tables)

3 Months Ended

Mar. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

	Three Months ended March 31,
	(000's)
							Post-Retirement
	Pension Benefits						Health Benefits
	2013			2012			2013		2012
Service cost	$	559		$	1,218		$	17	$	15
Interest cost		846			917			43		43
Expected return on plan assets		(827	)		(815	)		-		-
Amortization of transition obligation		-			-			15		15
Net amortization of prior service cost		(4	)		41			-		-
Net amortization of net (gain) loss		523			567			-		-
Net Periodic Benefit Cost	$	1,097		$	1,928		$	75	$	73