Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs [Text Block]

The components of the net periodic benefit costs for these plans are as follows:

	Quarter Ended						Six Months Ended
	June 30, 2012			July 2, 2011			June 30, 2012			July 2, 2011
Components of net periodic benefit costs:
Service cost	$	516		$	381		$	1,032		$	762
Interest cost	2,201			2,274			4,402			4,548
Expected return on plan assets	(1,509		)	(1,656		)	(3,018		)	(3,312		)
Amortization of unrecognized net loss	951			858			1,902			1,716
Amortization of prior service cost	11			11			22			22
Net periodic benefit costs	$	2,170		$	1,868		$	4,340		$	3,736