Basis of Presentation, Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule of Inventory

Our “Inventories” line item in the consolidated statements of financial position consisted of the following:

	As of December 31,
(Dollars in thousands)	2022		2021
Raw materials	$	87,851	$	60,208
Work-in-process	45,100		29,078
Finished goods	49,451		44,098
Total inventories	$	182,402	$	133,384

Schedule of Property, Plant and Equipment

For financial reporting purposes, provisions for depreciation are calculated on a straight-line basis over the following estimated useful lives of the underlying assets:

Property, Plant and Equipment Classification	Estimated Useful Lives
Buildings and improvements	30-40 years
Machinery and equipment	5-15 years
Office equipment	3-10 years

Our “Property, plant and equipment, net” line item in the consolidated statements of financial position consisted of the following:

	As of December 31,
(Dollars in thousands)	2022		2021
Land and improvements	$	23,886	$	24,804
Buildings and improvements	169,548		163,920
Machinery and equipment	334,069		322,653
Office equipment	61,447		57,156
Property plant and equipment, gross	588,950		568,533
Accumulated depreciation	(381,584)		(367,850)
Property, plant and equipment, net	207,366		200,683
Equipment in process	151,049		126,284
Total property, plant and equipment, net	$	358,415	$	326,967