Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Schedule Of Inventory

Inventories consist of the following:

	March 31, 2013		December 31, 2012
Finished products	$	198,639	$	200,940
Feedstock, additives and chemicals	154,304		143,912
Materials and supplies	55,131		54,446
Inventories	$	408,074	$	399,298