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Supplementary Balance Sheet Information | 9 Months Ended
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Oct. 02, 2020
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Supplementary Balance Sheet Information | 9. Supplementary Balance Sheet Information The following tables provide the details of selected balance sheet items as of the periods indicated (in thousands): Inventories
| October 2, |  |  | December 31, |
| 2020 |  |  | 2019 |
Raw materials | $ | 63,569 |  |  | $ | 76,268 |
Work-in-process |  | 16,517 |  |  |  | 15,096 |
Finished goods |  | 20,201 |  |  |  | 23,431 |
Demo and consigned inventory |  | 1,450 |  |  |  | 1,823 |
Total inventories | $ | 101,737 |  |  | $ | 116,618 |
Accrued Expenses and Other Current Liabilities
| October 2, |  |  | December 31, |
| 2020 |  |  | 2019 |
Accrued compensation and benefits | $ | 10,964 |  |  | $ | 15,359 |
Accrued warranty |  | 5,102 |  |  |  | 5,756 |
Contract liabilities, current portion |  | 4,540 |  |  |  | 3,219 |
Deferred purchase price for acquisitions |  | 23,463 |  |  |  | 27,735 |
Finance lease obligations |  | 9,503 |  |  |  | 1,307 |
Accrued earn-out and contingent considerations |  | 11,626 |  |  |  | 3,813 |
Other |  | 11,038 |  |  |  | 13,137 |
Total | $ | 76,236 |  |  | $ | 70,326 |
Accrued Warranty
| Nine Months Ended |
| October 2, |  |  | September 27, |
| 2020 |  |  | 2019 |
Balance at beginning of the period | $ | 5,756 |  |  | $ | 4,510 |
Provision charged to cost of revenue |  | 1,255 |  |  |  | 1,903 |
Warranty liabilities from acquisitions |  | — |  |  |  | 175 |
Use of provision |  | (1,941 | ) |  |  | (1,802 | )
Foreign currency exchange rate changes |  | 32 |  |  |  | (58 | )
Balance at end of the period | $ | 5,102 |  |  | $ | 4,728 |
Other Long Term Liabilities
| October 2, |  |  | December 31, |
| 2020 |  |  | 2019 |
Finance lease obligations | $ | 6,052 |  |  | $ | 14,845 |
Accrued pension liabilities |  | 289 |  |  |  | 1,473 |
Accrued contingent considerations |  | 10,238 |  |  |  | 16,504 |
Other |  | 3,009 |  |  |  | 4,065 |
Total | $ | 19,588 |  |  | $ | 36,887 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 + Details
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