Inventories

3 Months Ended

Mar. 31, 2016

Inventories

Inventories

Note 3.  Inventories

Inventories are stated at lower of cost or market. Cost is determined using a weighted average cost method for scrap, and on a first-in, first-out, basis for other inventory. Inventory consisted of the following (in thousands):

	March 31,		December 31,
	2016		2015
Raw materials	$	353,681	$	419,608
Supplies	390,362		396,349
Work in progress	88,139		90,486
Finished goods	234,641		242,947
Total inventories	$	1,066,823	$	1,149,390