Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventories

Schedule of inventories

Inventories consisted of the following (in thousands):

	September 30,		December 31,
	2013		2012
Raw materials	$	583,335	$	594,388
Supplies	280,841		278,494
Work-in-progress	97,508		82,934
Finished goods	230,348		246,691
Total inventories	$	1,192,032	$	1,202,507