Schedule II (Consolidated Valuation And Qualifying Accounts) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jun. 29, 2019
Provision for obsolete inventory
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 1,968	$ 1,792	$ 1,458
Provisions	753	136	91
Dispositions	(1,296)	40	243
Balance at end of year	1,425	1,968	1,792
Allowance for Doubtful Accounts
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	609	58	0
Provisions	117	551	58
Dispositions	(451)	0	0
Balance at end of year	$ 275	$ 609	$ 58