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Balance Sheet Components | 6 Months Ended
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Jun. 30, 2022
Notes To Financial Statements [Abstract] |
Balance Sheet Components | Balance Sheet Components Inventories consist of the following (in thousands):
|  | June 30, 2022 |  | December 31, 2021
Raw materials |  | $ | 159,037 |  |  | $ | 123,234 |
Work in process |  | 82,292 |  |  | 51,706 |
Finished goods |  | 68,717 |  |  | 55,290 |
Total inventories |  | $ | 310,046 |  |  | $ | 230,230 |
Prepaid expenses and other current assets consist of the following (in thousands):
|  | June 30, 2022 |  | December 31, 2021
Value added tax receivables |  | $ | 110,988 |  |  | $ | 93,610 |
Prepaid expenses |  | 61,628 |  |  | 70,218 |
Other current assets |  | 62,649 |  |  | 31,477 |
Total prepaid expenses and other current assets |  | $ | 235,265 |  |  | $ | 195,305 |
Accrued liabilities consist of the following (in thousands):
|  | June 30, 2022 |  | December 31, 2021
Accrued payroll and benefits |  | $ | 152,849 |  |  | $ | 288,355 |
Accrued expenses |  | 74,281 |  |  | 67,169 |
Accrued sales and marketing expenses |  | 37,250 |  |  | 41,387 |
Accrued property, plant and equipment |  | 35,563 |  |  | 46,561 |
Current operating lease liabilities |  | 24,613 |  |  | 22,719 |
Accrued professional fees |  | 18,433 |  |  | 31,457 |
Other accrued liabilities |  | 73,470 |  |  | 109,667 |
Total accrued liabilities |  | $ | 416,459 |  |  | $ | 607,315 |
Accrued warranty, which is included in the "Other accrued liabilities" category of the accrued liabilities table above, consists of the following activity (in thousands):
|  | Six Months Ended June 30,
|  | 2022 |  | 2021
Balance at beginning of period |  | $ | 16,169 |  |  | $ | 12,615 |
Charged to cost of net revenues |  | 7,660 |  |  | 8,936 |
Actual warranty expenditures |  | (7,334) |  |  | (7,105) |
Balance at end of period |  | $ | 16,495 |  |  | $ | 14,446 |
Deferred revenues consist of the following (in thousands):
|  | June 30, 2022 |  | December 31, 2021
Deferred revenues - current |  | $ | 1,242,348 |  |  | $ | 1,152,870 |
Deferred revenues - long-term 1 |  | $ | 155,510 |  |  | $ | 136,684 |
1 Included in Other long-term liabilities within our Condensed Consolidated Balance Sheet During the three months ended June 30, 2022 and 2021, we recognized $969.6 million and $1,010.8 million of net revenues, respectively, of which $178.4 million and $134.4 million was included in the deferred revenues balance at December 31, 2021 and 2020, respectively. During the six months ended June 30, 2022 and 2021, we recognized $1,942.8 million and $1,905.6 million of net revenues, respectively, of which $363.3 million and $260.2 million was included in the deferred revenues balance at December 31, 2021 and 2020, respectively. Our unfulfilled performance obligations, including deferred revenues and backlog, as of June 30, 2022 were $1,409.4 million. These performance obligations are expected to be fulfilled over six months to five years.

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI https://asc.fasb.org/topic&trid=2122208 + Details
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