Revenue Disaggregation of Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 26, 2020	Sep. 28, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 123,207	$ 105,285
Over-Time
Disaggregation of Revenue [Line Items]
Net sales	120,836	104,026
Point-in-Time
Disaggregation of Revenue [Line Items]
Net sales	$ 2,371	$ 1,259