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Accumulated Other Comprehensive Loss - Reclassifications Out of Accumulated Other Comprehensive Loss (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 29, 2017
Jun. 30, 2016
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Administrative expenses $ (957) $ (957)
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Administrative expenses (365) (50)
Amortization of Defined Benefit Pension Items [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Administrative expenses (1,322) (1,007)
Income tax expense 502 383
Amortization of defined pension items, net of tax $ (820) $ (624)