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Inventories (Components Of Inventories) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Inventories [Abstract]    
Raw materials $ 54,853 $ 34,144
Work in process 2,825 3,050
Finished goods and parts 47,210 37,954
Inventories, net $ 104,888 $ 75,148