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Accumulated Other Comprehensive Loss - Reclassifications Out of AOCL (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Sep. 24, 2020
Sep. 26, 2019
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Unrecognized prior service cost [1] $ (120) $ (239)
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Unrecognized net loss [1] (296) (104)
Amortization of Defined Benefit Pension Items [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Total before tax [1] (416) (343)
Tax effect [1] 104 86
Amortization of defined pension items, net of tax [1] $ (312) $ (257)
[1] Amounts in parenthesis indicate debits to expense. See Note 9 – “Retirement Plan” above for additional details.