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Inventories (Schedule of Inventory, Current) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Inventory Disclosure [Abstract]    
Finished goods $ 114,748us-gaap_InventoryFinishedGoodsNetOfReserves $ 112,197us-gaap_InventoryFinishedGoodsNetOfReserves
Work in process 19,932us-gaap_InventoryWorkInProcessNetOfReserves 18,635us-gaap_InventoryWorkInProcessNetOfReserves
Raw materials 35,614us-gaap_InventoryRawMaterialsNetOfReserves 35,256us-gaap_InventoryRawMaterialsNetOfReserves
Inventory, Net $ 170,294us-gaap_InventoryNet $ 166,088us-gaap_InventoryNet