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Note 7 - Earnings Per Share (Details)
3 Months Ended 6 Months Ended
Sep. 01, 2013
Aug. 26, 2012
Sep. 01, 2013
Aug. 26, 2012
Earnings Per Share [Abstract]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 267 271 493 209