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Supplemental Consolidated Cash Flow Information (Additional Information Related To Cash Flows) (Details) (USD $)
In Thousands, unless otherwise specified
4 Months Ended
Jan. 22, 2012
Jan. 23, 2011
Supplemental Consolidated Cash Flow Information [Abstract]    
Interest, net of amounts capitalized $ 5,605 $ 3,471
Income tax payments $ 12,478 $ 8,384