Retirement Plans

3 Months Ended

Mar. 31, 2012

Retirement Plans [Abstract]

Retirement Plans

(10)  Retirement Plans

Domestic Pension Plan

The components of net periodic benefit cost for the Company's domestic plan (which was frozen in 2007) for the three months ended March 31, 2012 and 2011 were as follows:

	Three months ended
	March 31,
	2012			2011
Components of net periodic benefit cost
Interest cost	$	821		$	865
Expected return on plan assets		(918	)		(914	)
Amortization of prior service costs		15			109
Recognized actuarial loss		216			115
Net periodic benefit cost	$	134		$	175

The Company's Supplemental Executive Retirement Plan is non-qualified and unfunded.  Net periodic benefit costs for the three months ended March 31, 2012 and 2011 were $55 and $66, respectively.

International Pension Plan

The components of net periodic benefit cost for the Company's international plan for the three months ended March 31, 2012 and 2011 were as follows:

	Three months ended
	March 31,
	2012			2011
Components of net periodic benefit cost
Service cost	$	165		$	160
Interest cost		200			237
Recognized actuarial loss		50			28
Amortization of prior service credit		(2	)		(2	)
Net periodic benefit cost	$	413		$	423