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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Interest Rate Derivatives) (Details) - Cash Flow Hedging [Member] | Feb. 28, 2017 USD ($)
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Derivative [Line Items] |  |
Derivative, Notional amount | $ 35,700,000 | [1]
Debt instrument, Basis spread on variable rate | 1.70% | [1]
Derivative, Fixed interest rate | 3.65% | [1]
Costa Rica $7.5M Cross Currency Interest Rate Swap [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional amount | $ 7,500,000 |
Debt instrument, Basis spread on variable rate | 2.50% |
Derivative, Fixed interest rate | 7.65% |
Honduras $8.5M Cross Currency Interest Rate Swap [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional amount | $ 8,500,000 |
Debt instrument, Basis spread on variable rate | 3.25% |
Derivative, Fixed interest rate | 10.75% |
El Salvador $4M Interest Rate Swap [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional amount | $ 4,000,000 |
Debt instrument, Basis spread on variable rate | 3.50% |
Derivative, Fixed interest rate | 4.78% |
Colombia $15M Cross Currency Interest Rate Swap [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional amount | $ 15,000,000 |
Debt instrument, Basis spread on variable rate | 2.80% |
Derivative, Fixed interest rate | 8.25% |
Panama $10M Interest Rate Swap [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional amount | $ 10,000,000 |
Debt instrument, Basis spread on variable rate | 3.50% |
Derivative, Fixed interest rate | 5.16% |
Honduras $5M Cross Currency Interest Rate Swap [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional amount | $ 5,000,000 |
Debt instrument, Basis spread on variable rate | 3.50% |
Derivative, Fixed interest rate | 11.60% |
Panama $5M Interest Rate Swap [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional amount | $ 5,000,000 |
Debt instrument, Basis spread on variable rate | 3.50% |
Derivative, Fixed interest rate | 4.89% |
Panama $20M Interest Rate Swap [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional amount | $ 19,800,000 |
Debt instrument, Basis spread on variable rate | 3.50% |
Derivative, Fixed interest rate | 4.98% |
Panama $4M Interest Rate Swap [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional amount | $ 3,970,000 |
Debt instrument, Basis spread on variable rate | 3.50% |
Derivative, Fixed interest rate | 4.98% |
[1] | The initial notional amount and fixed rate were modified effective January 2017.

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