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Financing Arrangements (Details) - USD ($) $ in Thousands | Jan. 30, 2015 | Dec. 31, 2023 | Dec. 28, 2023 | Apr. 05, 2023 | Dec. 31, 2022
--- | --- | --- | --- | --- | ---
Financing Arrangements |  |  |  |  |
Long-term finance lease obligation |  | $ 43,674 |  |  | $ 45,185
Finance liabilities current |  | 1,511 |  |  | $ 1,229
Sale leaseback obligation |  |  |  |  |
Financing Arrangements |  |  |  |  |
Long-term finance lease obligation |  | 45,200 |  |  |
Finance liabilities current |  | 1,500 |  |  |
Security deposit |  | 5,900 |  |  |
Beverly Property Owner LLC |  |  |  |  |
Financing Arrangements |  |  |  |  |
Security deposit |  | $ 5,900 |  |  |
Beverly Property Owner LLC | Building |  |  |  |  |
Financing Arrangements |  |  |  |  |
Proceeds from sale of corporate headquarters | $ 48,900 |  |  |  |
Lease term | 22 years |  |  |  |
Silicon Valley Bank | Revolving credit facility |  |  |  |  |
Financing Arrangements |  |  |  |  |
Maximum borrowing capacity under the credit facility |  |  |  | $ 40,000 |
Letter of credit |  |  | $ 5,900 |  |

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