Income Taxes (Schedule Of Unrecognized Tax Benefits) (Detail) - USD ($) $ in Thousands	12 Months Ended
Jul. 01, 2017	Jul. 02, 2016	Jun. 27, 2015
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balances, beginning of period	$ 3,760	$ 3,446	$ 3,072
Additions based on tax positions related to the current year	187	314	374
Balances, end of period	$ 3,947	$ 3,760	$ 3,446

Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

Name:	us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration