Inventories:

The following table provides a breakdown of inventories at June 30, 2016 and December 31, 2015 (in thousands):



	June 30,		December 31,
	2016		2015
Finished goods	$	352,583	$	264,025
Raw materials and work in process^(a)	114,978		122,038
Stores, supplies and other	49,491		53,450
Total inventories^(b)	$	517,052	$	439,513


(a)	Includes $44.0 million and $39.1 million at June 30, 2016 and December 31, 2015, respectively, of work in process related to the Lithium product category.


(b)	As of June 30, 2016 and December 31, 2015, $69.9 million and $162.8 million, respectively, of inventories were classified as Assets held for sale in the condensed consolidated balance sheets. See Note 3, “Divestitures,” for additional information.