Employee Retirement Plans

6 Months Ended

Jun. 30, 2012

Employee Retirement Plans

Employee Retirement Plans

8.Employee Retirement Plans

The components of net periodic pension cost consist of the following:

	Three months ended						Six months ended
	June 30, 2012			June 30, 2011			June 30, 2012			June 30, 2011
Component of net periodic pension cost:
Service cost	$	67		$	240		$	134		$	480
Interest cost	370			385			740			770
Expected return on plan assets	(318		)	(339		)	(636		)	(678		)
Amortization of net loss	192			113			384			226
Net periodic pension cost	$	311		$	399		$	622		$	798

The Company estimates its total required minimum contributions to its pension plans in 2012 will be $2,512.  Through June 30, 2012, the Company has made $838 of cash contributions to the pension plans in 2012 versus $1,222 through the same period in 2011.

Components of net periodic other postretirement benefit cost consist of the following:

	Three months ended						Six months ended
	June 30, 2012			June 30, 2011			June 30, 2012			June 30, 2011
Components of net periodic other postretirement benefit cost
Service cost	$	70		$	66		$	140		$	131
Interest cost	90			102			180			204
Amortization of net gain	(4		)	(15		)	(8		)	(31		)
Net periodic other postretirement benefit cost	$	156		$	153		$	312		$	304