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Inventories (Schedule of Inventory, Current) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Inventory Disclosure [Abstract]    
Finished goods $ 100,282 $ 90,444
Work in process 10,566 10,570
Raw materials 8,730 13,509
Inventory, Net $ 119,578 $ 114,523