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Other Financial Statement Information (Tables)

12 Months Ended

Dec. 31, 2020

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Inventories - Net

Inventories – net

		December 31
		2020				2019
Raw materials		$	53,947			$	49,729
Work-in-process			9,272				9,352
Finished products			38,801				45,760
			102,020				104,841
Excess of current cost over LIFO cost			(4,483	)			(4,667	)
Noncurrent portion of inventory			0				(4,456	)
		$	97,537			$	95,718

Property, Plant and Equipment - Net

Major classes of property, plant and equipment are as follows:

		December 31
		2020				2019
Land and improvements		$	22,132			$	22,218
Buildings and improvements			97,909				82,811
Machinery, equipment and aircraft			176,377				180,221
Construction in progress			9,563				9,460
			305,981				294,710
Less accumulated depreciation			(180,016	)			(170,692	)
		$	125,965			$	124,018

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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 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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