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Goodwill and Intangible Assets - Future Amortization Expense of Intangible Assets (Details) - USD ($) $ in Millions | Sep. 27, 2020 | Jun. 28, 2020
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Acquired Finite-Lived Intangible Assets [Line Items] |  |
June 27, 2021 | $ 17.5 |
June 26, 2022 | 21.4 |
June 25, 2023 | 17.9 |
June 30, 2024 | 16.4 |
June 29, 2025 | 15.2 |
Thereafter | 87.0 |
Total future amortization expense | 175.4 | $ 179.6
Acquisition Related Intangibles |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
June 27, 2021 | 10.9 |
June 26, 2022 | 13.5 |
June 25, 2023 | 11.0 |
June 30, 2024 | 10.4 |
June 29, 2025 | 10.4 |
Thereafter | 68.3 |
Total future amortization expense | 124.5 | 128.1
Patents |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
June 27, 2021 | 6.6 |
June 26, 2022 | 7.9 |
June 25, 2023 | 6.9 |
June 30, 2024 | 6.0 |
June 29, 2025 | 4.8 |
Thereafter | 18.7 |
Total future amortization expense | $ 50.9 | $ 51.5

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