Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2012

Retirement Plans [Abstract]

Net periodic benefit cost recognized for the plans

(in thousands)	Three months ended June 30,				Six months ended June 30,
Net pension cost included the following components:		2012		2011		2012		2011
Service cost-benefits earned during the period	$	170	$	165	$	340	$	329
Interest cost on projected benefit obligation		171		210		343		420
Amortization of net obligation at transition		1		—		1		1
Amortization of prior service cost		39		38		77		76
Recognized net actuarial loss		72		97		144		193
Net periodic pension cost	$	453	$	510	$	905	$	1,019
Company contributions to pension plans	$	155	$	226	$	260	$	403
Pension plan payouts to participants	$	155	$	226	$	260	$	403