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Inventories (Schedule of Inventory, Current) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Inventory Disclosure [Abstract]    
Finished goods $ 95,506 $ 93,095
Work in process 11,378 7,922
Raw materials 14,755 7,741
Inventory, Net $ 121,639 $ 108,758