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Balance Sheet Details (Tables) | 9 Months Ended
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Sep. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Short-Term Marketable Securities | Short-term marketable securities, consisting of available-for-sale debt securities, were as follows as of the dates indicated:
| September 30, 2022
(In millions) | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Market Value
Debt securities, available-for-sale: |  |  |  |  |  |  |
U.S. government agencies (1) | $ | 1,336.8 |  |  | $ | — |  |  | $ | (9.8) |  |  | $ | 1,327.0 |
Commercial paper | 202.0 |  |  | — |  |  | (0.2) |  |  | 201.8 |
Corporate debt | 132.4 |  |  | — |  |  | (0.9) |  |  | 131.5 |
Supranationals | 13.5 |  |  | — |  |  | — |  |  | 13.5 |
Total debt securities, available-for-sale | $ | 1,684.7 |  |  | $ | — |  |  | $ | (10.9) |  |  | $ | 1,673.8 |
| December 31, 2021
(In millions) | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Market Value
Debt securities, available-for-sale: |  |  |  |  |  |  |
U.S. government agencies | $ | 1,212.1 |  |  | $ | — |  |  | $ | (1.5) |  |  | $ | 1,210.6 |
Commercial paper | 189.8 |  |  | — |  |  | (0.1) |  |  | 189.7 |
Corporate debt | 224.6 |  |  | — |  |  | (0.3) |  |  | 224.3 |
Supranationals | 54.1 |  |  | — |  |  | (0.1) |  |  | 54.0 |
Total debt securities, available-for-sale | $ | 1,680.6 |  |  | $ | — |  |  | $ | (2.0) |  |  | $ | 1,678.6 |
(1) Includes debt obligations issued by U.S. government-sponsored enterprises or U.S. government agencies.
Schedule of Inventory |
(In millions) | September 30, 2022 |  | December 31, 2021
Raw materials | $ | 165.2 |  |  | $ | 145.2 |
Work-in-process | 31.6 |  |  | 16.2 |
Finished goods | 114.2 |  |  | 195.9 |
Total inventory | $ | 311.0 |  |  | $ | 357.3 |
Schedule of Prepaid and Other Current Assets |
(In millions) | September 30, 2022 |  | December 31, 2021
Prepaid expenses | $ | 90.5 |  |  | $ | 51.9 |
Income tax receivables | 33.0 |  |  | 2.3 |
Other current assets | 28.0 |  |  | 27.4 |
Total prepaid and other current assets | $ | 151.5 |  |  | $ | 81.6 |
Schedule of Property and Equipment |
(In millions) | September 30, 2022 |  | December 31, 2021
Land (1) | $ | 25.6 |  |  | $ | 15.6 |
Building (1) | 54.3 |  |  | 49.1 |
Furniture and fixtures | 32.8 |  |  | 30.7 |
Computer software and hardware | 57.4 |  |  | 52.7 |
Machinery and equipment | 360.6 |  |  | 272.9 |
Leasehold improvements | 272.4 |  |  | 251.6 |
Construction in progress | 537.9 |  |  | 360.7 |
Total cost | 1,341.0 |  |  | 1,033.3 |
Less accumulated depreciation and amortization | (338.5) |  |  | (231.5) |
Total property and equipment, net | $ | 1,002.5 |  |  | $ | 801.8 |
(1) Represents finance lease right-of-use assets.
Schedule of Accounts Payable and Accrued Liabilities |
(In millions) | September 30, 2022 |  | December 31, 2021
|  |  | As Adjusted
Accounts payable trade | $ | 198.1 |  |  | $ | 189.4 |
Accrued tax, audit, and legal fees | 33.7 |  |  | 40.6 |
Accrued rebates | 467.0 |  |  | 260.5 |
Accrued warranty | 13.4 |  |  | 12.9 |
Contractual obligations | — |  |  | 15.0 |
Other accrued liabilities | 52.0 |  |  | 54.6 |
Total accounts payable and accrued liabilities | $ | 764.2 |  |  | $ | 573.0 |
Schedule of Accrued Payroll and Related Expenses |
(In millions) | September 30, 2022 |  | December 31, 2021
Accrued wages, bonus and taxes | $ | 83.3 |  |  | $ | 91.8 |
Other accrued employee benefits | 29.4 |  |  | 33.4 |
Total accrued payroll and related expenses | $ | 112.7 |  |  | $ | 125.2 |
Schedule of Other Long-Term Liabilities |
(In millions) | September 30, 2022 |  | December 31, 2021
Finance lease obligations | $ | 60.4 |  |  | $ | 57.0 |
Deferred revenue, long-term | 23.6 |  |  | 16.1 |
Deferred tax liabilities | 5.3 |  |  | 5.9 |
Other tax liabilities | 25.5 |  |  | 2.8 |
Other liabilities | 8.5 |  |  | 8.2 |
Total other long-term liabilities | $ | 123.3 |  |  | $ | 90.0 |

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