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BUSINESS COMBINATIONS - Impact of Acquisitions on the Results of the Company (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($) business_combination | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of combined entity as if combination occurred at beginning of period | $ 52,421 |  |
Profit (loss) of combined entity as if combination occurred at beginning of period | $ 682,770 |  |
Number of combinations | business_combination | 2 |  |
Ratio |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Profit (loss) of acquiree since acquisition date |  |  | $ 812
Revenue of acquiree since acquisition date |  |  | 4,188
PointSource |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Profit (loss) of acquiree since acquisition date |  |  | 383
Revenue of acquiree since acquisition date |  |  | $ 2,108
Small Footprint |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of combined entity as if combination occurred at beginning of period |  | $ 523,114 |
Profit (loss) of combined entity as if combination occurred at beginning of period |  | $ 52,910 |
Avanxo S.A. |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Profit (loss) of acquiree since acquisition date | $ 2,023 |  |
Revenue of acquiree since acquisition date | 23,971 |  |
Revenue of combined entity as if combination occurred at beginning of period | 661,777 |  |
Profit (loss) of combined entity as if combination occurred at beginning of period | 56,105 |  |
Belatrix |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Profit (loss) of acquiree since acquisition date | 2,481 |  |
Revenue of acquiree since acquisition date | 15,572 |  |
Revenue of combined entity as if combination occurred at beginning of period | 680,318 |  |
Profit (loss) of combined entity as if combination occurred at beginning of period | $ 50,331 |  |

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- Definition The profit (loss) of the acquiree, since the acquisition date, included in the consolidated statement of comprehensive income. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2019-01-01 -Paragraph B64 -Subparagraph q -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2019-en-r&anchor=para_B64_q_i&doctype=Appendix&subtype=B -URIDate 2019-03-27 + Details
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