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Segment Information (Schedule Of Income (Loss) From Operations By Geographic Area) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Loss from operations | $ (17,498) | $ (9,071)
Reportable Geographical Components |  |
Loss from operations | (16,955) | (8,576)
Intercompany Sales |  |
Loss from operations | (543) | (495)
Americas | Operating Segments |  |
Loss from operations | (18,924) | (13,450)
EMEA | Operating Segments |  |
Loss from operations | (2,005) | 533
Asia Pacific | Operating Segments |  |
Loss from operations | $ 3,974 | $ 4,341

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