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Financial Statement Details - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
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Sep. 26, 2021 | Jun. 27, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Net unrealized gain on available-for-sale securities | $ 1.9 | $ 2.7
Unrealized gain (loss) on available-for-sale securities | $ (2.4) | $ (2.4)

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- Definition Amount, after tax, of accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e681-108580 + Details
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- Definition Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References No definition available. + Details
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