Segment, Customers, and Geographic Information - Major Customer Accounts Receivable as Percentage of Accounts Receivable (Detail) - Accounts Receivable [Member] - Credit Concentration Risk [Member]	9 Months Ended	12 Months Ended
	Mar. 27, 2021	Jun. 27, 2020
Customer A [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	15.00%	18.00%
Customer B [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	12.00%
Customer C [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage		21.00%