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BALANCE SHEET COMPONENTS (Tables) | 3 Months Ended
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Jan. 02, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Components of significant balance sheet accounts | The following tables reflect the components of significant balance sheet accounts as of January 2, 2021 and October 3, 2020:
| As of
(in thousands) | January 2, 2021 |  | October 3, 2020
Short-term investments, available-for-sale(1) | $ | 337,000 |  |  | $ | 342,000 |
Inventories, net: |  |  |
Raw materials and supplies | $ | 66,503 |  |  | $ | 60,205 |
Work in process | 44,818 |  |  | 39,753 |
Finished goods | 42,774 |  |  | 43,015 |
| 154,095 |  |  | 142,973 |
Inventory reserves | (29,013) |  |  | (31,164) |
| $ | 125,082 |  |  | $ | 111,809 |
Property, plant and equipment, net: |  |  |
Land | $ | 2,182 |  |  | $ | 2,182 |
Buildings and building improvements | 23,194 |  |  | 22,830 |
Leasehold improvements | 24,199 |  |  | 23,111 |
Data processing equipment and software | 39,081 |  |  | 38,524 |
Machinery, equipment, furniture and fixtures | 83,942 |  |  | 80,953 |
Construction in progress | 8,407 |  |  | 7,111 |
| 181,005 |  |  | 174,711 |
Accumulated depreciation | (120,070) |  |  | (115,564) |
| $ | 60,935 |  |  | $ | 59,147 |
Accrued expenses and other current liabilities: |  |  |
Accrued customer obligations (2) | $ | 34,019 |  |  | $ | 22,759 |
Wages and benefits | 29,795 |  |  | 37,237 |
Dividend payable | 8,687 |  |  | 7,397 |
Commissions and professional fees | 3,769 |  |  | 2,716 |
Severance | 66 |  |  | 449 |
Other | 7,141 |  |  | 6,204 |
| $ | 83,477 |  |  | $ | 76,762 |
(1)All short-term investments were classified as available-for-sale and were measured at fair value based on level one measurement, or quoted market prices, as defined by ASC 820. The Company did not recognize any realized gains or losses on the sale of investments during the three months ended January 2, 2021 and December 28, 2019. (2)Represents customer advance payments, customer credit program, accrued warranty expense and accrued retrofit obligations.

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