Derivative Financial Instruments (Summarized Fair Value Of Derivative Instruments In Consolidated Balance Sheets) (Detail) - USD ($) $ in Thousands	Sep. 26, 2020	Jun. 27, 2020
Foreign currency forward contracts \| Other current assets
Derivative Instruments [Line Items]
Foreign currency forward contracts, Asset Fair Value	$ 771	$ 0
Foreign currency forward contracts \| Other long-term assets
Derivative Instruments [Line Items]
Foreign currency forward contracts, Asset Fair Value	788	1,097
Foreign currency forward contracts \| Other current liabilities
Derivative Instruments [Line Items]
Foreign currency forward contracts, Liability Fair Value	628	1,960
Foreign currency forward contracts \| Other long-term liabilities
Derivative Instruments [Line Items]
Foreign currency forward contracts, Liability Fair Value	0	17
Interest rate swap \| Other current liabilities
Derivative Instruments [Line Items]
Foreign currency forward contracts, Liability Fair Value	0	347
Interest rate swap \| Other long-term liabilities
Derivative Instruments [Line Items]
Foreign currency forward contracts, Liability Fair Value	$ 0	$ 610

Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=d3e41678-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226006-175313

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

Name:	us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant