Supplementary Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Inventories

Inventories

	December 31,
	2024		2023
Raw materials	$	92,198	$	104,643
Work-in-process		24,719		21,010
Finished goods		27,327		23,311
Demo and consigned inventory		362		407
Total inventories	$	144,606	$	149,371

Property, Plant and Equipment, Net

Property, Plant and Equipment, Net

	December 31,
	2024			2023
Cost:
Land, buildings and improvements	$	99,217		$	95,020
Machinery and equipment		125,694			117,487
Total cost		224,911			212,507
Accumulated depreciation		(111,776	)		(103,058	)
Property, plant and equipment, net	$	113,135		$	109,449

Summary of Depreciation Expense on Property, Plant and Equipment, Including Demo Units and Assets under Finance Leases

The following table summarizes depreciation expense on property, plant and equipment, including demo units and assets under finance leases (in thousands):

	Year Ended December 31,
	2024		2023		2022
Depreciation expense	$	14,996	$	14,017	$	13,550

Accrued Expenses and Other Current Liabilities

The following table summarizes accrued expenses and other current liabilities as of the dates indicated (in thousands):

	December 31,
	2024		2023
Accrued compensation and benefits	$	28,361	$	32,703
Finance lease obligations		759		718
Contract liabilities, current portion		5,715		5,553
Accrued warranty		4,805		5,292
Other		20,691		16,790
Total	$	60,331	$	61,056

Accrued Warranty

The following table summarizes changes in accrued warranty for the periods indicated (in thousands):

	Year Ended December 31,
	2024			2023			2022
Balance at beginning of year	$	5,292		$	5,127		$	4,783
Provision charged to cost of revenue		1,140			2,445			3,071
Warranty liabilities acquired from acquisitions		76			—			—
Use of provision		(1,680	)		(2,338	)		(2,615	)
Foreign currency exchange rate changes		(23	)		58			(112	)
Balance at end of year	$	4,805		$	5,292		$	5,127

Other Long Term Liabilities

The following table summarizes other long-term liabilities as of the dates indicated (in thousands):

	December 31,
	2024		2023
Finance lease obligations	$	3,175	$	3,934
Accrued contingent considerations and earn-outs		—		311
Other		1,316		1,687
Total	$	4,491	$	5,932