Inventories, Net (Components Of Inventories) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2010
Inventories, Net
Finished products	$ 362,924	$ 358,138	$ 350,842
Products in process and raw materials	9,483	13,842	14,310
Supplies and expendable parts	53,624	46,958	46,566
Inventories, Gross	426,031	418,938	411,718
Less allowances	(88,301)	(87,044)	(87,898)
Total	$ 337,730	$ 331,894	$ 323,820

The amount of the valuation account as of the balance sheet date which reduces the carrying amount of inventory to net realizable value; takes into consideration such factors as market value, excessive quantities based on expected sales, technological obsolescence, and shrinkage. May also provide for estimated product returns or price concessions pertaining to product cost.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

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+ Details