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Retirement Plan - Components of AOCL (Detail) - USD ($)
$ in Thousands
Jun. 29, 2017
Jun. 30, 2016
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract]    
Unrecognized net loss $ (3,624) $ (5,926)
Unrecognized prior service cost (3,349) (4,306)
Tax effect 2,569 3,807
Net amount unrecognized $ (4,404) $ (6,425)