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Certain Balance Sheet Components (Tables)

9 Months Ended

Sep. 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			September 30, 2022						December 31, 2021
Trade receivables (net of allowance of $4,506 and $5,730)			$	231,998					$	261,124
Unbilled receivables			34,671						37,335
Total accounts receivable, net			$	266,669					$	298,459

Allowance for Credit Losses on Financing Receivables

Allowance for credit losses account activity			Three Months Ended September 30,												Nine Months Ended September 30,
In thousands			2022						2021						2022						2021
Beginning balance			$	5,630					$	1,107					$	5,730					$	1,312
Provision for (release of) doubtful accounts, net			(1,062)						2,164						(544)						2,122
Accounts recovered (written-off), net			(214)						(440)						(458)						(582)
Effect of change in exchange rates			152						(33)						(222)						(54)
Ending balance			$	4,506					$	2,798					$	4,506					$	2,798

Inventories

Inventories
In thousands			September 30, 2022						December 31, 2021
Raw materials			$	160,000					$	122,434
Work in process			8,359						7,856
Finished goods			35,253						35,509
Total inventories			$	203,612					$	165,799

Property, Plant, and Equipment, Net

Property, plant, and equipment, net
In thousands			September 30, 2022						December 31, 2021
Machinery and equipment			$	296,488					$	314,502
Computers and software			115,822						111,540
Buildings, furniture, and improvements			125,911						131,764
Land			8,221						8,952
Construction in progress, including purchased equipment			20,212						39,527
Total cost			566,654						606,285
Accumulated depreciation			(427,886)						(443,101)
Property, plant, and equipment, net			$	138,768					$	163,184

Depreciation Expense

Depreciation expense			Three Months Ended September 30,												Nine Months Ended September 30,
In thousands			2022						2021						2022						2021
Depreciation expense			$	10,948					$	12,389					$	31,161					$	37,338

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Tabular disclosure of allowance for credit loss on financing receivable.

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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.

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