Leases - Schedule of Balance Sheet Location and Values of Company's Lease Assets and Lease Liabilities (Detail) - USD ($) $ in Thousands	Sep. 29, 2019	Jul. 01, 2019
Lease Assets
Operating lease assets	$ 8,718	$ 9,802
Total lease assets	36,319
Lease Liabilities
Current operating lease liabilities	2,791
Current finance lease liabilities	4,738
Total current lease liabilities	7,529
Noncurrent operating lease liabilities	6,224
Noncurrent finance lease liabilities	5,649
Total noncurrent lease liabilities	11,873
Total lease liabilities	19,402
Property, Plant & Equipment, Net [Member]
Lease Assets
Finance lease assets	27,601
Current Portion of Long-term Debt [Member]
Lease Liabilities
Current finance lease liabilities	4,738
Long-term debt [Member]
Lease Liabilities
Noncurrent finance lease liabilities	$ 5,649