Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2023

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment consisted of the following:

	As of			As of
(In thousands)	March 31, 2023			December 31, 2022
Engineering and other equipment	$	173,968		$	170,785
Building		83,287			82,932
Computer hardware and software		82,682			80,455
Building and land improvements		51,081			47,861
Furniture and fixtures		23,525			22,403
Land		5,367			5,364
Total property, plant and equipment		419,910			409,800
Less: accumulated depreciation		(307,941	)		(299,101	)
Total property, plant and equipment, net	$	111,969		$	110,699