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Accumulated Other Comprehensive Loss - Reclassifications Out of AOCL (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 26, 2020
Mar. 28, 2019
Mar. 26, 2020
Mar. 28, 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 $ (239) $ (239) $ (718) $ (718)
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 (104) (24) (312) (71)
Amortization of Defined Benefit Pension Items [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Total before tax (343) (263) (1,030) (789)
Tax effect 86 66 258 198
Amortization of defined pension items, net of tax $ (257) $ (197) $ (772) $ (591)