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Retirement Plan - Schedule of Net Benefit Costs (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 26, 2014
Jun. 27, 2013
Jun. 28, 2012
Compensation And Retirement Disclosure [Abstract]      
Service cost $ 323 $ 343 $ 243
Interest cost 634 570 600
Recognized gain amortization (68)   (185)
Prior service cost amortization 957 957 957
Net periodic pension cost $ 1,846 $ 1,870 $ 1,615