Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Components of Company Plan Benefit Expense

The following table summarizes key information related to the Company’s pension plans and retirement agreements (in thousands):

	Three months ended March 31, 2013			Fiscal Year Ended December 31, 2012
Change in Projected Benefit Obligation
Projected benefit obligation, beginning of period	$	19,761		$	16,879
Service cost	231			774
Interest cost	207			787
Plan amendments	—			569
Actuarial loss	—			945
Benefits paid	(78		)	(193		)
Projected benefit obligation, end of period	$	20,121		$	19,761
Change in Plan Assets
Plan assets at fair value, beginning of period	$	—		$	—
Company contributions	78			193
Benefits paid	(78		)	(193		)
Plan assets at fair value, end of period	$	—		$	—
Unfunded Status of the Plan	$	(20,121	)	$	(19,761	)

Components of Net Periodic Benefit Cost

	Three Months Ended
	March 31, 2013		April 1, 2012
Components of Net Periodic Benefit Cost
Service cost	$	231	$	193
Interest cost	207		197
Net loss	66		48
Net periodic pension cost	$	504	$	438