Employee Benefit Plans (Tables)

9 Months Ended

Oct. 01, 2011

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
	October 1, 2011			October 2, 2010			October 1, 2011			October 2, 2010
Components of net periodic benefit costs:
Service cost	$	381		$	411		$	1,143		$	1,233
Interest cost	2,274			2,248			6,822			6,744
Expected return on plan assets	(1,656		)	(1,498		)	(4,968		)	(4,494		)
Amortization of unrecognized net loss	858			967			2,574			2,901
Amortization of prior service cost	11			20			33			60
Amortization of transition obligation	—			7			—			21
Net periodic benefit costs	$	1,868		$	2,155		$	5,604		$	6,465