Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2012

Post-Retirement Benefit Plans

Schedule of Net Periodic Pension Cost

Components of net periodic post-retirement cost were as follows:

	For the Three Months Ended						For the Nine Months Ended
	September 30, 2012			October 2, 2011			September 30, 2012			October 2, 2011
	(in thousands)
Service cost	$	17		$	15		$	50		$	45
Interest cost		109			135			328			405
Amortization of unrecognized prior service benefit		(150	)		(150	)		(449	)		(449	)
Actuarial gain		—			—			(92	)		(76	)
Total net periodic post-retirement cost	$	(24	)	$	—		$	(163	)	$	(75	)

Defined Benefit Pension Plans

Schedule of Net Periodic Pension Cost

Components of net periodic pension cost for all plans were as follows:

	For the Three Months Ended						For the Nine Months Ended
	September 30,  2012			October 2,  2011			September 30,  2012			October 2,  2011
	(in thousands)
Service cost	$	685		$	656		$	2,054		$	2,092
Interest cost		4,111			4,380			12,333			13,164
Expected return on plan assets		(4,090	)		(3,902	)		(12,269	)		(11,720	)
Amortization of unrecognized prior service cost		58			155			174			466
Settlement loss		—			—			—			680
Actuarial loss		1,937			—			5,083			4,279
Total net periodic pension cost	$	2,701		$	1,289		$	7,375		$	8,961