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Inventories (Schedule Of Components Of Inventories) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Inventories [Abstract]    
Raw materials $ 26,653 $ 26,986
Work-in-process 15,247 16,031
Finished goods 106,342 97,929
Inventories $ 148,242 $ 140,946