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Segment Reporting Summary Of Information Of Long-Lived Assets In Different Geographic Areas (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net property, plant and equipment | [1] | $ 508,855 | $ 551,163
Mexico |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net property, plant and equipment | [1] | 191,502 | 209,634
Mexico |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net property, plant and equipment | [1] | 151,288 | 158,950
Brazil |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net property, plant and equipment | [1] | 6,100 | 8,787
France |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net property, plant and equipment | [1] | 69,558 | 76,535
Spain |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net property, plant and equipment | [1] | 87,614 | 93,049
South Africa |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net property, plant and equipment | [1] | 2,547 | 2,879
Italy |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net property, plant and equipment | [1] | 10 | 1,032
Switzerland |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net property, plant and equipment | [1] | 192 | 266
Other countries |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net property, plant and equipment | [1] | $ 44 | $ 31
[1] | Long-lived assets represent fixed assets, net of accumulated depreciation.

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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph a -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 7 + Details
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