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Certain Balance Sheet Components | 12 Months Ended
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Dec. 31, 2023
Balance Sheet Related Disclosures [Abstract] |
Certain Balance Sheet Components | Certain Balance Sheet Components A summary of accounts receivable from contracts with customers is as follows:
Accounts receivable, net |  |  |
In thousands | December 31, 2023 |  | December 31, 2022
Trade receivables (net of allowance of $738 and $4,863) | $ | 272,890 |  |  | $ | 249,771 |
Unbilled receivables | 30,931 |  |  | 30,664 |
Total accounts receivable, net | $ | 303,821 |  |  | $ | 280,435 |
Allowance for credit losses account activity | Year Ended December 31,
In thousands | 2023 |  | 2022 |  | 2021
Beginning balance | $ | 4,863 |  |  | $ | 5,730 |  |  | $ | 1,312 |
Provision for (release of) doubtful accounts, net | (120) |  |  | (258) |  |  | 4,636 |
Accounts written-off | (4,115) |  |  | (492) |  |  | (107) |
Effect of change in exchange rates | 110 |  |  | (117) |  |  | (111) |
Ending balance | $ | 738 |  |  | $ | 4,863 |  |  | $ | 5,730 |
Inventories |  |  |
In thousands | December 31, 2023 |  | December 31, 2022
Raw materials | $ | 213,303 |  |  | $ | 182,118 |
Work in process | 17,849 |  |  | 8,386 |
Finished goods | 52,534 |  |  | 38,197 |
Total inventories | $ | 283,686 |  |  | $ | 228,701 |
Property, plant, and equipment, net |  |  |
In thousands | December 31, 2023 |  | December 31, 2022
Machinery and equipment | $ | 318,546 |  |  | $ | 306,699 |
Computers and software | 126,149 |  |  | 119,670 |
Buildings, furniture, and improvements | 126,041 |  |  | 130,301 |
Land | 7,846 |  |  | 8,566 |
Construction in progress, including purchased equipment | 24,316 |  |  | 19,403 |
Total cost | 602,898 |  |  | 584,639 |
Accumulated depreciation | (474,092) |  |  | (444,516) |
Property, plant, and equipment, net | $ | 128,806 |  |  | $ | 140,123 |
Depreciation expense | Year Ended December 31,
In thousands | 2023 |  | 2022 |  | 2021
Depreciation expense | $ | 36,845 |  |  | $ | 41,046 |  |  | $ | 48,352 |

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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 -Topic 210 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//210/tableOfContent + Details
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