Inventories (Tables)

12 Months Ended

Dec. 31, 2015

Inventories [Abstract]

Schedule of Inventories

December 31,	2015			2014
Finished goods	$	16,637		$	20,083
Materials and products in process		62,523			65,184
		79,160			85,267
Adjustment of inventories to a LIFO basis		(42,061	)		(40,578	)
	$	37,099		$	44,689