v2.4.0.6
Summary of Restricted Share Unit Activity (Detail) (Restricted Shares, USD $)
6 Months Ended
Dec. 28, 2012
Dec. 30, 2011
Number of Shares Underlying Restricted Share Units    
Issued (29,014) (25,900)
Stock Option Plan 2010
   
Number of Shares Underlying Restricted Share Units    
Unvested balance at beginning of the period 168,275 25,900
Granted 446,884 198,247
Issued (30,100) (25,900)
Forfeited (3,004)  
Unvested balance at end of the period 582,055 198,247
Weighted-Average Grant Date Fair Value Per Share    
Unvested balance at beginning of the period 14.44 21.62
Granted 12.35 14.05
Issued 14.12 21.62
Forfeited 13.12  
Unvested balance at end of the period 12.86 14.05