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Organization and Summary of Significant Accounting Policies (Details 1) - Fair Value Measurements Recurring - USD ($) $ in Thousands | Jul. 01, 2018 | Jul. 02, 2017
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | $ 2,792 | $ 3,720
Fixed Income Funds |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | 850 | 763
Stock Index Funds | Small Cap |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | 298 | 382
Stock Index Funds | Mid Cap |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | 286 | 391
Stock Index Funds | Large Cap |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | 562 | 519
Stock Index Funds | International |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | 793 | 541
Cash and Cash Equivalents |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | 3 | 3
Mexican Peso Forward Contracts |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value |  | 1,121
Total Liabilities at Fair Value | 39 |
Level 1 |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | 2,789 | 2,596
Level 1 | Fixed Income Funds |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | 850 | 763
Level 1 | Stock Index Funds | Small Cap |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | 298 | 382
Level 1 | Stock Index Funds | Mid Cap |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | 286 | 391
Level 1 | Stock Index Funds | Large Cap |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | 562 | 519
Level 1 | Stock Index Funds | International |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | 793 | 541
Level 2 |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | 3 | 1,124
Level 2 | Cash and Cash Equivalents |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value | 3 | 3
Level 2 | Mexican Peso Forward Contracts |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Total Assets at Fair Value |  | $ 1,121
Total Liabilities at Fair Value | $ 39 |

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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