Other Financial Statement Information (Tables)

3 Months Ended

Mar. 31, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Inventories - Net

Inventories – net

	March 31, 2022			December 31, 2021
Raw materials	$	84,201		$	76,636
Work-in-process		12,681			10,117
Finished Goods		40,027			37,216
		136,909			123,969
Excess of current cost over LIFO cost		(10,796	)		(9,462	)
Net Inventory	$	126,113		$	114,507

Property, Plant and Equipment - Net

Major classes of Property, plant and equipment are stated at cost and were as follows:

	March 31, 2022			December 31, 2021
Land and improvements	$	19,840		$	21,039
Buildings and improvements		100,260			99,403
Machinery, equipment and aircraft		211,028			204,945
Construction in progress		15,765			10,605
		346,893			335,992
Less accumulated depreciation		(190,459	)		(186,218	)
	$	156,434		$	149,774