Organization and Summary of Significant Accounting Policies - Pre-Tax Effects of the Peso Forward Contracts (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 28, 2020	Jun. 28, 2020	Jun. 30, 2019
Pre-tax effects of the Mexican peso forward contracts
Realized (loss) gain	$ (418)		$ 485
Unrealized (loss) gain	$ (480)		39
Not Designated as Hedging Instrument \| Other Expense, Net
Pre-tax effects of the Mexican peso forward contracts
Realized (loss) gain		$ (418)	485
Unrealized (loss) gain		$ (480)	$ 39

The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.13(h))
-URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration