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Net Loss per Share - Additional Information (Detail)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Dec. 29, 2012
Dec. 28, 2013
Dec. 29, 2012
Stock Option Plans [Member]
     
Earnings Per Share [Line Items]      
Anti-dilutive shares excluded from calculation of diluted net loss per share 1.1 0.9 1.1
Restricted Stock [Member]
     
Earnings Per Share [Line Items]      
Anti-dilutive shares excluded from calculation of diluted net loss per share 0.1 0.1 0.1