Employee Benefit Plans (Tables)

9 Months Ended

Sep. 28, 2013

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						Nine Months Ended
	September 28, 2013			September 29, 2012			September 28, 2013			September 29, 2012
Components of net periodic benefit costs:
Service cost	$	532		$	516		$	1,596		$	1,548
Interest cost	2,026			2,201			6,078			6,603
Expected return on plan assets	(1,629		)	(1,509		)	(4,887		)	(4,527		)
Amortization of unrecognized net loss	1,157			951			3,471			2,853
Amortization of prior service cost	11			11			33			33
Net periodic benefit costs	$	2,097		$	2,170		$	6,291		$	6,510