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Segment Reporting Revenue from External Customers by Products and Services (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Revenue from External Customer [Line Items] |  |  |
Revenue, Net | $ 686,672 | $ 1,085,304 | $ 1,166,674
UNITED STATES |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue, Net | 176,402 | 284,209 | 289,866
Americas [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue, Net | 140,629 | 180,070 | 177,602
Asia Pacific [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue, Net | 84,287 | 192,230 | 220,945
Europe Middle East Africa [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue, Net | $ 285,354 | $ 428,795 | $ 478,261

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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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