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v3.19.1

Consolidated Statements of Cash Flows (Parenthetical) | Apr. 25, 2019 $ / $ | Dec. 31, 2018 $ / $ | Dec. 31, 2018 Q / $ | Dec. 31, 2018 ₡ / $ | Dec. 31, 2017 $ / $ | Dec. 31, 2017 Q / $ | Dec. 31, 2017 ₡ / $ | Dec. 31, 2016 $ / $ | Dec. 31, 2016 Q / $ | Dec. 31, 2016 ₡ / $
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Consolidated Statements of Cash Flows |  |  |  |  |  |  |  |  |  |
Convenience translation to U.S. dollars | 18.9578 | 19.6829 | 7.7440 | 609.6100 | 19.7354 | 7.3448 | 572.5600 | 20.6640 | 7.5221 | 561.1000

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