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Retirement Plan - Components of AOCL (Detail) - USD ($)
$ in Thousands
Jun. 25, 2015
Jun. 26, 2014
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract]    
Unrecognized net (loss) gain $ (2,404) $ 735
Unrecognized prior service cost (5,263) (6,220)
Tax effect 2,833 1,982
Net amount unrecognized $ (4,834) $ (3,503)