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Inventories (Schedule of Inventory, Current) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Inventory Disclosure [Abstract]    
Finished goods $ 95,974 $ 93,095
Work in process 10,175 7,922
Raw materials 14,829 7,741
Inventory, Net $ 120,978 $ 108,758