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Inventories (Schedule Of Components Of Inventories) (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Inventories [Abstract]    
Raw materials $ 32,254 $ 27,561
Work-in-process 18,200 14,998
Finished goods 126,295 115,475
Inventories $ 176,749 $ 158,034