Employee Benefit Plans (Components Of Net Periodic Benefit Cost) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Employee Benefit Plans [Abstract]
Service cost	$ 255	$ 255	$ 45
Interest cost	2,454	2,633	2,679
Expected return on plan assets	(2,825)	(2,622)	(2,465)
Amortization of prior service cost	60	27	11
Recognized net actuarial (gain) loss	1,490	652	379
Net Periodic Benefit Cost	$ 1,434	$ 945	$ 649