Goodwill And Other Intangible Assets (Narrative) (Details) (USD $)	3 Months Ended					12 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Dec. 29, 2012	Mar. 30, 2013 Routes Intangible Assets [Member]	Dec. 29, 2012 Routes Intangible Assets [Member]	Dec. 29, 2012 Trademarks - Unamortized [Member] asset	Mar. 30, 2013 Goodwill [Member]	Dec. 29, 2012 Goodwill [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense related to intangibles	$ 2,400,000	$ 1,200,000
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)						7,600,000
Number of Intangible Assets Impaired						2
Assets held for sale	22,009,000		11,038,000	12,900,000	4,900,000		6,300,000	2,300,000
Gain Loss On Sale Of Route Businesses	$ 110,000	$ 9,287,000