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Retirement Plan - Schedule of Net Periodic Pension Cost (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2016
Jun. 25, 2015
Jun. 26, 2014
Compensation and Retirement Disclosure [Abstract]      
Service cost $ 491 $ 386 $ 323
Interest cost 843 642 634
Recognized loss (gain) amortization 50 0 (68)
Prior service cost amortization 957 957 957
Net periodic pension cost $ 2,341 $ 1,985 $ 1,846