Segment Information (Schedule Of Information By Operating Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 25, 2012	Mar. 27, 2011
Segment Reporting Information [Line Items]
Revenues	$ 384,587	$ 389,186
Income from operations	66,895	65,112
Segment Income	76,616	72,102
Domestic Stores [Member]
Segment Reporting Information [Line Items]
Revenues	122,811	126,779
Income from operations	41,252	38,962
Segment Income	42,684	39,739
Domestic Supply Chain [Member]
Segment Reporting Information [Line Items]
Revenues	235,556	240,161
Income from operations	17,119	18,167
Segment Income	18,833	19,887
International [Member]
Segment Reporting Information [Line Items]
Revenues	47,646	45,841
Income from operations	24,252	21,449
Segment Income	23,757	20,862
Intersegment Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	(21,426)	(23,595)
Income from operations
Segment Income
Other [Member]
Segment Reporting Information [Line Items]
Revenues
Income from operations	(15,728)	(13,466)
Segment Income	$ (8,658)	$ (8,386)