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Details of Selected Balance Sheet Accounts (Tables)

12 Months Ended

Dec. 31, 2022

Details of Selected Balance Sheet Accounts [Abstract]

Schedule of Accounts Receivable, Net

Additional information regarding selected balance sheet accounts as of December 31, 2022 and December 31, 2021 is presented below (in thousands):

			December 31, 2022						December 31, 2021
Accounts receivable, net:
Trade			$	145,540					$	116,434
Unbilled revenue			29,679						24,389
Contract assets			42,599						39,755
Other			6,177						9,973
Total accounts receivable			223,995						190,551
Allowance for doubtful accounts			(5,226)						(4,471)
			$	218,769					$	186,080
Allowance for doubtful accounts as a percentage of total accounts receivable			2		%				2		%

Schedule of Contract with Customer, Asset and Liability

			December 31, 2022						December 31, 2021
Deferred revenue (contract liabilities)			$	44,790					$	43,236

Schedule of Inventory, Net

			December 31, 2022						December 31, 2021
Inventories, net:
Finished goods and purchased products			$	90,443					$	87,934
Work in process			32,079						24,722
Raw materials			97,817						96,357
Total inventories			220,339						209,013
Allowance for excess or obsolete inventory			(37,681)						(40,440)
			$	182,658					$	168,573

Schedule of Property, Plant and Equipment, Net

			Estimated Useful Life (years)																		December 31, 2022						December 31, 2021
Property, plant and equipment, net:
Land																					$	32,875					$	33,536
Buildings and leasehold improvements			1						–						40						247,274						255,530
Machinery and equipment			2						–						28						241,257						247,285
Completion-related equipment			3						–						10						504,770						510,816
Office furniture and equipment			1						–						10						33,529						33,155
Vehicles			3						–						10						59,076						66,431
Construction in progress																					10,053						4,780
Total property, plant and equipment																					$	1,128,834					$	1,151,533
Accumulated depreciation																					(824,999)						(812,950)
																					$	303,835					$	338,583

Schedule of Other Noncurrent Assets

			December 31, 2022						December 31, 2021
Other noncurrent assets:
Deferred compensation plan			$	17,551					$	23,348
Deferred financing costs			1,893						2,674
Deferred income taxes			1,517						1,878
Other			4,726						4,989
			$	25,687					$	32,889

Schedule of Accrued Liabilities

			December 31, 2022						December 31, 2021
Accrued liabilities:
Accrued compensation			$	33,659					$	20,904
Accrued taxes, other than income taxes			1,865						5,130
Insurance liabilities			4,640						6,361
Accrued interest			1,784						3,629
Accrued commissions			2,302						2,194
Other			4,807						5,183
			$	49,057					$	43,401

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Details of Selected Balance Sheet Accounts [Abstract]

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Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
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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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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.

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Tabular disclosure of the (a) carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business (accounts payable); (b) other payables; and (c) accrued liabilities. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). An alternative caption includes accrued expenses.

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Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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