v2.4.0.6
Share Option Activity Under Twenty Ten Plan (Detail) (USD $)
6 Months Ended
Dec. 28, 2012
Dec. 30, 2011
Number of Shares Underlying Options    
Exercised 36,137 188,773
Weighted-Average Exercise Price Per Share    
Exercised $ 4.64 $ 3.39
Stock Option Plan 2010
   
Number of Shares Underlying Options    
Beginning Balance 1,280,750 925,921
Granted   548,127
Exercised      
Forfeited (19,135) (18,346)
Expired (40,631) (1,137)
Ending Balance 1,220,984 1,454,565
Shares underlying options exercisable at end of the period 528,347 258,716
Weighted-Average Exercise Price Per Share    
Beginning Balance $ 16.32 $ 17.37
Granted   $ 14.54
Exercised      
Forfeited $ 17.79 $ 16.29
Expired $ 16.84 $ 16.80
Ending Balance $ 16.28 $ 16.32
Shares underlying options exercisable at end of the period $ 16.48 $ 16.71