Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

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Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Details

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SUBSEQUENT EVENTS (Details) (USD $)	6 Months Ended
SUBSEQUENT EVENTS (Details) (USD $)	Feb. 28, 2015	Dec. 11, 2012	Feb. 21, 2012	May 05, 2011
Subsequent Event [Line Items]
Derivative, Notional Amount		$ 8,000,000invest_DerivativeNotionalAmount	$ 8,000,000invest_DerivativeNotionalAmount	$ 8,000,000invest_DerivativeNotionalAmount
Derivative, Fixed Interest Rate		4.79%us-gaap_DerivativeFixedInterestRate	6.02%us-gaap_DerivativeFixedInterestRate	6.09%us-gaap_DerivativeFixedInterestRate
PANAMA \| Derivative Swaps [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Interest Rate Description	P1M
Debt Instrument, Basis Spread on Variable Rate	3.50%
Derivative, Notional Amount	10,000,000
Derivative, Fixed Interest Rate	5.159%
Line of Credit Facility, Expiration Period	5 years
COLOMBIA \| Derivative Swaps [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Interest Rate Description	P3M
Debt Instrument, Basis Spread on Variable Rate	2.80%
Derivative, Notional Amount	15,000,000
Derivative, Fixed Interest Rate	8.25%
Line of Credit Facility, Expiration Period	5 years
COLOMBIA \| Forward Foreign Exchange Contracts [Member]
Subsequent Event [Line Items]
Derivative, Notional Amount	51,000,000
COLOMBIA \| Colombia, Pesos \| Derivative Swaps [Member]
Subsequent Event [Line Items]
Derivative, Notional Amount	34,350,000,000
EL SALVADOR \| Derivative Swaps [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Interest Rate Description	P1M
Debt Instrument, Basis Spread on Variable Rate	3.50%
Derivative, Notional Amount	4,000,000
Derivative, Fixed Interest Rate	4.78%
Line of Credit Facility, Expiration Period	5 years
Citibank [Member] \| Loans [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	15,000,000
Line of Credit Facility, Interest Rate Description	P3M
Debt Instrument, Basis Spread on Variable Rate	2.80%
Line of Credit Facility, Expiration Period	5 years
fixed interest payments [Member] \| PANAMA \| Derivative Swaps [Member]
Subsequent Event [Line Items]
Derivative, Notional Amount	5,000,000
fixed interest payments [Member] \| COLOMBIA \| Derivative Swaps [Member]
Subsequent Event [Line Items]
Derivative, Notional Amount	7,900,000
fixed interest payments [Member] \| EL SALVADOR \| Derivative Swaps [Member]
Subsequent Event [Line Items]
Derivative, Notional Amount	$ 4,000,000