Other Financial Statement Information (Tables)

12 Months Ended

Dec. 31, 2016

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Inventories - Net

Inventories – net

	December 31
	2016			2015
Raw materials	$	37,535		$	34,854
Work-in-process		9,057			6,902
Finished products		35,629			37,812
		82,221			79,568
Excess of current cost over LIFO cost		(2,784	)		(3,538	)
Noncurrent portion of inventory		(4,953	)		(6,118	)
	$	74,484		$	69,912

Property, Plant and Equipment - Net

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

	December 31
	2016		2015
Land and improvements	$	12,584	$	12,260
Buildings and improvements		72,662		71,711
Machinery, equipment and aircraft		158,078		137,599
Construction in progress		3,877		3,369
		247,201		224,939
Less accumulated depreciation		142,097		132,974
	$	105,104	$	91,965