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Investments and Forward Contracts (Tables) | 12 Months Ended
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Jun. 27, 2020
Investments, Debt and Equity Securities [Abstract] |
Schedule of Available-for-sale Securities | The following table presents the Company’s available-for-sale securities as of June 27, 2020 (in millions):
| Amortized Cost/ Carrying Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Available-for-sale debt securities: |  |  |  |  |  |  |  |  |  |  |
Asset-backed securities | $ | 0.9 |  |  | $ | — |  |  | $ | (0.4 | ) |  | $ | 0.5 |
Total available-for-sale debt securities | $ | 0.9 |  |  | $ | — |  |  | $ | (0.4 | ) |  | $ | 0.5 |
As of June 29, 2019, the Company’s available-for-sale securities are as follows (in millions):
| Amortized Cost/ Carrying Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |
Asset-backed securities | $ | 0.9 |  |  | $ | — |  |  | $ | (0.3 | ) |  | $ | 0.6 |
Total available-for-sale securities | $ | 0.9 |  |  | $ | — |  |  | $ | (0.3 | ) |  | $ | 0.6 |
Schedule of Gross Unrealized Losses on Available-for-sale Securities | As of June 27, 2020, the Company’s total gross unrealized losses on available-for-sale securities, aggregated by type of investment instrument, are as follows (in millions):
| Less than 12 Months |  | Greater than 12 Months |  | Total
Asset-backed securities | $ | — |  |  | $ | (0.4 | ) |  | $ | (0.4 | )
Total gross unrealized losses | $ | — |  |  | $ | (0.4 | ) |  | $ | (0.4 | )
As of June 29, 2019, the Company’s total gross unrealized losses on available-for-sale securities, aggregated by investment type, are as follows (in millions):
| Less than 12 Months |  | Greater than 12 Months |  | Total
Asset-backed securities | $ | — |  |  | $ | (0.3 | ) |  | $ | (0.3 | )
Total gross unrealized losses | $ | — |  |  | $ | (0.3 | ) |  | $ | (0.3 | )
Schedule of Contractual Maturities of Available-for-sale Securities | As of June 27, 2020, the Company’s debt securities classified as available-for-sale securities with contractual maturities are as follows (in millions):
| Amortized Cost/Carrying Cost |  | Estimated Fair Value
Amounts maturing in more than 5 years | $ | 0.9 |  |  | $ | 0.5 |
Total debt available-for-sale securities | $ | 0.9 |  |  | $ | 0.5 |

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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563 + Details
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