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Accumulated Other Comprehensive Loss - Reclassifications Out of AOCL (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Sep. 27, 2018
Sep. 28, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Other expense $ (487) $ (492)
Income tax expense 1,791 5,009
Amortization of Defined Benefit Pension Items [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Total before tax (263) (279)
Amortization of defined pension items, net of tax (197) (171)
Reclassifications from AOCL to Earnings [Member] | Unrecognized Prior Service Cost [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Other expense (239) (239)
Reclassifications from AOCL to Earnings [Member] | Unrecognized Net Loss [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Other expense (24) (40)
Reclassifications from AOCL to Earnings [Member] | Amortization of Defined Benefit Pension Items [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Income tax expense $ 66 $ 108