Employee Benefit Plans (Components Of Net Periodic Benefit Cost) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Employee Benefit Plans [Abstract]
Service cost	$ 59	$ 12	$ 176	$ 37
Interest cost	500	561	1,500	1,681
Expected return on plan assets	(709)	(578)	(2,128)	(1,732)
Amortization of unrecognized loss	449	287	1,349	863
Amortization of prior service cost	3	3	9	9
Net Periodic Benefit Cost	$ 302	$ 285	$ 906	$ 858