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EQUITY INVESTMENTS - Summary of Proportionate Share of Vasconia's Net Income Translated from MXN to USD (Details) - Transaction 02 - Grupo Vasconia S.A.B. - $ / $ | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Minimum |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Average exchange rate (MXN to USD) | 19.11 | 18.71 | 17.81
Maximum |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Average exchange rate (MXN to USD) | 19.42 | 19.81 | 20.30

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