Accumulated Other Comprehensive Loss - Reclassifications Out of AOCL (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 29, 2018	Mar. 30, 2017	Mar. 29, 2018	Mar. 30, 2017
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	(40)	(92)	(121)	(274)
Amortization of Defined Benefit Pension Items [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total amortization of pension items before tax	(279)	(331)	(839)	(992)
Income tax expense	69	126	288	377
Amortization of defined pension items, net of tax	$ (210)	$ (205)	$ (551)	$ (615)