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Summary Of Significant Accounting Policies (Schedule Of Inventories, Net) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Summary Of Significant Accounting Policies [Abstract]    
Finished goods $ 106,972 $ 87,508
Work-in process 36,070 31,536
Raw materials 28,219 27,884
Inventories, net $ 171,261 $ 146,928