Employee Benefit Plans (Components Of Net Periodic Benefit Cost) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]
Service cost	$ 1,081	$ 851	$ 972
Interest cost	3,537	3,874	4,418
Expected return on plan assets	103	41	155
Amortization of actuarial loss	1,567	224	50
Amortization of transition obligation	0	57	129
Amortization of prior service costs	2	2	2
Net periodic pension cost	6,290	5,049	5,726
Settlement loss	0	0	46
Curtailment loss (gain)	0	72	(104)
Total pension expense	$ 6,290	$ 5,121	$ 5,668