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Inventory (Components Of Inventories) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Organization And Significant Accounting Policies [Abstract]    
Raw materials and supplies $ 22,237 $ 26,847
In-process inventories 2,655 3,314
Finished goods and goods for resale 92,005 63,517
Total $ 116,897 $ 93,678