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Inventories (Schedule Of Inventory Costs) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Inventories [Abstract]    
Raw materials $ 213,130 $ 213,027
Work in process 74,133 67,221
Finished goods 33,342 43,793
Inventories, net $ 320,605 $ 324,041