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Basis of Presentation and New Accounting Standards - Narrative (Details) - USD ($) $ in Millions | Mar. 26, 2023 | Dec. 25, 2022 | Sep. 25, 2022 | Jun. 27, 2022 | Jun. 26, 2022 | Mar. 27, 2022 | Dec. 26, 2021 | Sep. 26, 2021 | Jun. 27, 2021
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Basis of Presentation and Changes in Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Shareholders’ equity | $ (1,706.8) | $ (1,780.2) | $ (2,109.6) |  | $ (2,439.3) | $ (2,390.4) | $ (2,378.9) | $ (2,039.4) | $ (2,116.5)
Convertible notes, net | 3,023.3 |  |  |  | 1,021.6 |  |  |  |
Property and equipment, net | (1,904.0) |  |  |  | (1,481.1) |  |  |  |
Additional Paid-in Capital |  |  |  |  |  |  |  |  |
Basis of Presentation and Changes in Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Shareholders’ equity | (3,680.6) | (3,660.0) | (3,902.2) |  | (4,228.4) | (4,204.6) | (4,110.3) | (3,670.6) | (3,676.8)
Accumulated Deficit |  |  |  |  |  |  |  |  |
Basis of Presentation and Changes in Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Shareholders’ equity | $ 1,950.9 | $ 1,851.4 | $ 1,760.5 |  | 1,764.0 | $ 1,796.4 | $ 1,729.9 | $ 1,633.2 | $ 1,563.1
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Basis of Presentation and Changes in Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Shareholders’ equity |  |  |  |  | 303.3 |  |  |  |
Cumulative Effect, Period of Adoption, Adjustment | Additional Paid-in Capital |  |  |  |  |  |  |  |  |
Basis of Presentation and Changes in Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Shareholders’ equity |  |  |  |  | 333.0 |  |  |  |
Cumulative Effect, Period of Adoption, Adjustment | Accumulated Deficit |  |  |  |  |  |  |  |  |
Basis of Presentation and Changes in Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Shareholders’ equity |  |  |  |  | (29.7) |  |  |  |
Cumulative Effect, Period of Adoption, Adjustment | Adoption of ASU 2020-06 |  |  |  |  |  |  |  |  |
Basis of Presentation and Changes in Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Convertible notes, net |  |  |  | $ 277.9 |  |  |  |  |
Property and equipment, net |  |  |  | $ 25.4 |  |  |  |  |
Cumulative Effect, Period of Adoption, Adjustment | Adoption of ASU 2020-06 | Additional Paid-in Capital |  |  |  |  |  |  |  |  |
Basis of Presentation and Changes in Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Shareholders’ equity |  |  |  |  | 333.0 |  |  |  |
Cumulative Effect, Period of Adoption, Adjustment | Adoption of ASU 2020-06 | Accumulated Deficit |  |  |  |  |  |  |  |  |
Basis of Presentation and Changes in Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Shareholders’ equity |  |  |  |  | $ 29.7 |  |  |  |

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- Definition Carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Convertible Notes Payable, excluding current portion. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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