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Certain Balance Sheet Components (Tables) | 6 Months Ended
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Jun. 30, 2022
Balance Sheet Related Disclosures [Abstract] |
Accounts Receivable, Net | A summary of accounts receivable from contracts with customers is as follows:
Accounts receivable, net |  |  |
In thousands | June 30, 2022 |  | December 31, 2021
Trade receivables (net of allowance of $5,630 and $5,730) | $ | 222,537 |  |  | $ | 261,124 |
Unbilled receivables | 37,120 |  |  | 37,335 |
Total accounts receivable, net | $ | 259,657 |  |  | $ | 298,459 |
Allowance for Credit Losses on Financing Receivables |
Allowance for credit losses account activity | Three Months Ended June 30, |  | Six Months Ended June 30,
In thousands | 2022 |  | 2021 |  | 2022 |  | 2021
Beginning balance | $ | 5,598 |  |  | $ | 1,136 |  |  | $ | 5,730 |  |  | $ | 1,312 |
Provision for (release of) doubtful accounts, net | 619 |  |  | 25 |  |  | 518 |  |  | (42) |
Accounts recovered (written-off), net | (322) |  |  | (63) |  |  | (244) |  |  | (142) |
Effect of change in exchange rates | (265) |  |  | 9 |  |  | (374) |  |  | (21) |
Ending balance | $ | 5,630 |  |  | $ | 1,107 |  |  | $ | 5,630 |  |  | $ | 1,107 |
Inventories |
Inventories |  |  |
In thousands | June 30, 2022 |  | December 31, 2021
Raw materials | $ | 138,519 |  |  | $ | 122,434 |
Work in process | 6,272 |  |  | 7,856 |
Finished goods | 29,731 |  |  | 35,509 |
Total inventories | $ | 174,522 |  |  | $ | 165,799 |
Property, Plant, and Equipment, Net |
Property, plant, and equipment, net |  |  |
In thousands | June 30, 2022 |  | December 31, 2021
Machinery and equipment | $ | 299,761 |  |  | $ | 314,502 |
Computers and software | 112,470 |  |  | 111,540 |
Buildings, furniture, and improvements | 134,272 |  |  | 131,764 |
Land | 10,270 |  |  | 8,952 |
Construction in progress, including purchased equipment | 29,832 |  |  | 39,527 |
Total cost | 586,605 |  |  | 606,285 |
Accumulated depreciation | (435,942) |  |  | (443,101) |
Property, plant, and equipment, net | $ | 150,663 |  |  | $ | 163,184 |
Depreciation Expense |
Depreciation expense | Three Months Ended June 30, |  | Six Months Ended June 30,
In thousands | 2022 |  | 2021 |  | 2022 |  | 2021
Depreciation expense | $ | 9,929 |  |  | $ | 12,112 |  |  | $ | 20,213 |  |  | $ | 24,949 |

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- Definition Tabular disclosure of allowance for credit loss on financing receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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