Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventories

Schedule of inventories

Inventory consisted of the following (in thousands):

	March 31,		December 31,
	2015		2014
Raw materials	$	677,346	$	764,883
Supplies	381,695		374,599
Work in progress	100,408		128,882
Finished goods	293,793		350,055
	$	1,453,242	$	1,618,419