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Inventories (Schedule Of Inventory Costs) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Inventories [Abstract]    
Raw materials $ 293,618 $ 274,245
Work in process 71,574 60,776
Finished goods 26,388 26,549
Inventories, net $ 391,580 $ 361,570