Retirement Plans (Tables)

9 Months Ended

Sep. 29, 2012

Compensation and Retirement Disclosure [Abstract]

Components of defined pension plan costs

Components of defined benefit pension plan costs are as follows (in thousands):

	Quarters Ended
	September 29, 2012						October 1, 2011
	Domestic Plans			Foreign Plans			Domestic Plans			Foreign Plans
Net periodic pension cost
Service cost	$	208		$	611		$	93		$	628
Interest cost	771			990			777			927
Expected return on assets	(792		)	(940		)	(853		)	(974		)
Amortization of unrecognized:
Prior service costs	—			5			—			—
Cumulative net (gain) loss	(1		)	12			—			—
Net periodic pension cost	$	186		$	678		$	17		$	581

	Nine Months Ended
	September 29, 2012						October 1, 2011
	Domestic Plans			Foreign Plans			Domestic Plans			Foreign Plans
Net periodic pension cost
Service cost	$	564		$	1,814		$	465		$	1,928
Interest cost	2,292			2,940			2,321			2,843
Expected return on assets	(2,418		)	(2,791		)	(2,543		)	(2,988		)
Amortization of unrecognized:
Prior service costs	—			16			—			—
Cumulative net loss	3			34			—			—
Net periodic pension cost	$	441		$	2,013		$	243		$	1,783