Supplemental Financial Information (Schedule Of Inventory) (Details) (USD $)	12 Months Ended
	Dec. 29, 2012		Dec. 31, 2011		Dec. 26, 2010
Supplemental Financial Information [Abstract]
Work-in-progress	$ 9,867,000		$ 20,367,000
Finished goods	13,681,000		19,544,000
Inventory, net	23,548,000	[1]	39,911,000	[1]
Inventory reserves	7,800,000		8,300,000
Decreased in inventory reserves	$ 500,000		$ 1,900,000		$ 800,000

[1] As Restated