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Retirement Plan - Changes in Projected Benefit Obligation (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 27, 2013
Jun. 28, 2012
Jun. 30, 2011
Defined Benefit Plan Change In Benefit Obligation [Roll Forward]      
Benefit obligation at beginning of year $ 13,989 $ 11,221  
Service cost 343 243 216
Interest cost 570 600 577
Actuarial (gain) loss (979) 2,579 478
Benefits paid (655) (654)  
Projected benefit obligation at end of year $ 13,268 $ 13,989 $ 11,221