Segment Reporting (Sales By Product Category In Each Reportable Segment) (Details) (USD $) In Thousands, unless otherwise specified	4 Months Ended
	Apr. 21, 2012	Apr. 23, 2011
Segment Reporting Information [Line Items]
Sales	$ 898,206	$ 801,825
Branded Retail [Member]
Segment Reporting Information [Line Items]
Sales	465,269	400,629
Store Branded Retail [Member]
Segment Reporting Information [Line Items]
Sales	156,003	139,852
Non-Retail And Other [Member]
Segment Reporting Information [Line Items]
Sales	276,934	261,344
DSD [Member]
Segment Reporting Information [Line Items]
Sales	737,298	646,850
DSD [Member] | Branded Retail [Member]
Segment Reporting Information [Line Items]
Sales	435,122	372,786
DSD [Member] | Store Branded Retail [Member]
Segment Reporting Information [Line Items]
Sales	117,949	100,508
DSD [Member] | Non-Retail And Other [Member]
Segment Reporting Information [Line Items]
Sales	184,227	173,556
Warehouse Delivery [Member]
Segment Reporting Information [Line Items]
Sales	160,908	154,975
Warehouse Delivery [Member] | Branded Retail [Member]
Segment Reporting Information [Line Items]
Sales	30,147	27,843
Warehouse Delivery [Member] | Store Branded Retail [Member]
Segment Reporting Information [Line Items]
Sales	38,054	39,344
Warehouse Delivery [Member] | Non-Retail And Other [Member]
Segment Reporting Information [Line Items]
Sales	$ 92,707	$ 87,788