Inventories (Tables)

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Summary of Inventories, at LIFO Value

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

	March 31, 2017			December 31, 2016
Finished goods	$	31,652		$	29,686
Raw materials		19,828			20,231
Total FIFO (first-in, first-out) inventories		51,480			49,917
Reserve to adjust inventories to LIFO value		(21,371	)		(21,371	)
Total LIFO inventories	$	30,109		$	28,546