Inventories (Tables)

6 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

Summary of Inventories, at LIFO Value

Inventories, at LIFO (last-in, first-out) value, consist of the following (in thousands):

	June 30, 2017			December 31, 2016
Finished goods	$	29,294		$	29,686
Raw materials		19,018			20,231
Total FIFO (first-in, first-out) inventories		48,312			49,917
Reserve to adjust inventories to LIFO value		(21,371	)		(21,371	)
Total LIFO inventories	$	26,941		$	28,546