Commitments And Contingencies (Narrative) (Details) (USD $)	3 Months Ended			6 Months Ended	9 Months Ended	12 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Mar. 25, 2012	Jun. 30, 2013	Sep. 29, 2013	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011	Nov. 02, 2011	Dec. 28, 2008
Commitments and Contingencies Disclosure [Abstract]
Rental expense						$ 10,900,000	$ 15,400,000	$ 17,300,000
Damages sought by defendants										5,700,000
Litigation settlement	0	(6,584,000)	0	(6,584,000)	(6,584,000)	(6,584,000)	295,000	943,000
Attorneys' fees and costs of the defendants									6,600,000
Loss Contingency, Damages Sought, Value						$ 65,000,000