Segment Reporting (Sales by Product Category in Each Reportable Segment) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jul. 16, 2011	Jul. 17, 2010	Jul. 16, 2011	Jul. 17, 2010
Sales	$ 642,596	$ 607,716	$ 1,444,421	$ 1,402,742
DSD [Member]
Sales	524,580	489,919	1,171,430	1,136,093
DSD [Member] | Branded Retail [Member]
Sales	314,315	288,606	694,052	667,057
DSD [Member] | Store Branded Retail [Member]
Sales	91,560	81,239	193,605	180,770
DSD [Member] | Non-retail and Other [Member]
Sales	118,705	120,074	283,773	288,266
Warehouse Delivery [Member]
Sales	118,016	117,797	272,991	266,649
Warehouse Delivery [Member] | Branded Retail [Member]
Sales	23,521	24,675	51,427	65,653
Warehouse Delivery [Member] | Store Branded Retail [Member]
Sales	29,294	25,404	68,575	46,740
Warehouse Delivery [Member] | Non-retail and Other [Member]
Sales	65,201	67,718	152,989	154,256
Branded Retail [Member]
Sales	337,836	313,281	745,479	732,710
Store Branded Retail [Member]
Sales	120,854	106,643	262,180	227,510
Non-retail and Other [Member]
Sales	$ 183,906	$ 187,792	$ 436,762	$ 442,522