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Segment Reporting (Allocation of Goodwill and Intangible Assets Based on Geography) (Details) - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total goodwill and intangible assets | $ 120,435 | $ 115,536
United States [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total goodwill and intangible assets | 203 | 235
Argentina [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total goodwill and intangible assets | 8,542 | 8,763
Brazil [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total goodwill and intangible assets | 24,571 | 21,338
Mexico [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total goodwill and intangible assets | 46,419 | 46,186
Venezuela [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total goodwill and intangible assets | 7,434 | 7,217
Other Countries [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total goodwill and intangible assets | 33,266 | 31,797
Total Foreign Countries [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total goodwill and intangible assets | $ 120,232 | $ 115,301

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- Definition Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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