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Discontinued Operations - Loss from Discontinued Operations, Net of Income Taxes (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 27, 2020 | Mar. 27, 2022 | Mar. 28, 2021 | Mar. 27, 2022 | Mar. 28, 2021 | Jun. 27, 2021
Operating expenses: |  |  |  |  |  |
Net loss |  | $ 0.0 | $ (41.6) | $ 0.0 | $ (178.8) |
Net income from discontinued operations attributable to noncontrolling interest |  | 0.0 | 0.8 | 0.0 | 1.4 |
Net loss from discontinued operations attributable to controlling interest |  | 0.0 | (42.4) | $ 0.0 | (180.2) |
Discontinued Operations, Disposed of by Sale | LED Business |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Revenue, net |  |  | 66.5 |  | 272.8 |
Cost of revenue, net |  |  | 50.3 |  | 213.3 |
Gross profit |  |  | 16.2 |  | 59.5 |
Operating expenses: |  |  |  |  |  |
Research and development |  |  | 5.9 |  | 22.3 |
Sales, general and administrative |  |  | 12.5 |  | 29.4 |
Goodwill impairment | $ 6.9 |  | 0.0 |  | 112.6 |
Impairment on assets held for sale | $ 19.5 |  | 0.0 |  |  |
Gain on disposal or impairment of long-lived assets |  |  | (0.6) |  | (1.6) |
Other operating expense |  |  | 6.2 |  | 18.7 |
Operating loss |  |  | (7.8) |  | (141.4) |
Non-operating income |  |  | (0.3) |  | (0.3) |
Loss before income taxes and loss on sale |  |  | (7.5) |  |  |
Loss on sale |  |  | 26.3 |  | 29.1 |
Loss before income taxes |  |  | (33.8) |  | (167.4) |
Income tax expense |  |  | 7.8 |  | 11.4 |
Net loss |  | $ 0.5 | (41.6) |  | (178.8) |
Net income from discontinued operations attributable to noncontrolling interest |  |  | 0.8 |  | 1.4 |
Net loss from discontinued operations attributable to controlling interest |  |  | $ (42.4) |  | (180.2) |
Discontinued Operations, Held-for-sale | LED Business |  |  |  |  |  |
Operating expenses: |  |  |  |  |  |
Goodwill impairment |  |  |  |  |  | $ 105.7
Loss before income taxes and loss on sale |  |  |  |  | (141.1) |
Loss on sale |  |  |  |  | $ 26.3 |

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