Basis Of Presentation And Our Divisions (Schedule Of Quarterly Reporting) (Details)	3 Months Ended			4 Months Ended
	Sep. 03, 2011	Jun. 11, 2011	Mar. 19, 2011	Dec. 31, 2011
U.S. And Canada [Member]
Segment Reporting Information [Line Items]
Quarterly reporting calendar	12weeks	12weeks	12weeks	17weeks
International Divisions [Member]
Segment Reporting Information [Line Items]
Quarterly reporting calendar	June, July and August	March, April and May	January, February	September, October, November and December