Inventories

3 Months Ended

Mar. 31, 2016

Inventory Disclosure [Abstract]

Inventories

Inventories:

The following table provides a breakdown of inventories at March 31, 2016 and December 31, 2015 (in thousands):

	March 31,		December 31,
	2016		2015
Finished goods	$	345,779	$	308,462
Raw materials and work in process(a)	135,480		144,886
Stores, supplies and other	49,971		55,380
Total inventories	$	531,230	$	508,728

(a) Includes $41.0 million and $39.1 million at March 31, 2016 and December 31, 2015, respectively, of work in process related to the Lithium product category.