Assets and Liabilities, Lessee (Detail) - USD ($) $ in Thousands	Sep. 26, 2020	Jun. 27, 2020
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets, net	$ 16,370	$ 17,568
Total lease liabilities	$ 16,050
Operating Lease, Weighted Average Remaining Lease Term	6 years 6 months 14 days
Operating Lease, Weighted Average Discount Rate, Percent	4.10%
Other current liabilities
Lessee, Lease, Description [Line Items]
Total lease liabilities	$ 4,500
Other Long Term Liabilities
Lessee, Lease, Description [Line Items]
Total lease liabilities	$ 11,500