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Fair Value Measurements Of Assets And Liabilities (Details) - USD ($) $ / shares in Units, $ in Thousands | Dec. 29, 2017 | Jun. 30, 2017
--- | --- | ---
Level 1 | Money market funds |  |
Cash equivalents: |  |
Money market, net asset value (usd per share) | $ 1.00 | $ 1.00
Recurring | Level 1 | Cost | Money market funds |  |
Cash equivalents: |  |
Cash equivalents | $ 22,423 | $ 22,059
Recurring | Level 1 | Fair Value | Money market funds |  |
Cash equivalents: |  |
Cash equivalents | 22,423 | 22,059
Recurring | Level 2 | Cost |  |
Cash equivalents: |  |
Short term investments | 276 | 264
Other current assets | 124 | 0
Other accrued expenses | 0 | 5
Recurring | Level 2 | Cost | Bank certificates of deposit |  |
Cash equivalents: |  |
Cash equivalents | 0 | 66
Recurring | Level 2 | Fair Value |  |
Cash equivalents: |  |
Short term investments | 276 | 264
Other current assets | 124 | 0
Other accrued expenses | 0 | 5
Recurring | Level 2 | Fair Value | Bank certificates of deposit |  |
Cash equivalents: |  |
Cash equivalents | $ 0 | $ 66

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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