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Net Earnings (Loss) Per Share - Additional Information (Detail) (Continuing Operations [Member])
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Sep. 06, 2014
Sep. 07, 2013
Sep. 07, 2013
Sep. 06, 2014
Continuing Operations [Member]
       
Schedule Of Computation Of Basic And Diluted Earnings Per Common Share [Line Items]        
Antidilutive securities excluded from computation of earnings per share 10 20 21 10