SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Fair Value Hierarchy (Details) - USD ($) $ in Thousands		Aug. 31, 2015		Aug. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt		$ 90,534	[1]	$ 91,439	[2]
Derivative Liability, Current		66		14
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets (Liabilities), at Fair Value, Net		2,430		1,590
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets (Liabilities), at Fair Value, Net		0		0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets (Liabilities), at Fair Value, Net	[3]	2,430		1,590
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets (Liabilities), at Fair Value, Net		0		0
Cross Currency Interest Rate Contract [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Current				495
Derivative Asset, Noncurrent		4,129		970
Cross Currency Interest Rate Contract [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Current				0
Derivative Asset, Noncurrent		0		0
Cross Currency Interest Rate Contract [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Current	[4],[5]	0		495
Derivative Asset, Noncurrent	[4],[5]	4,129		970
Derivative Liability, Noncurrent	[6]	(1,312)		0
Cross Currency Interest Rate Contract [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Current				0
Derivative Asset, Noncurrent		0		0
Interest Rate Swap [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Noncurrent	[7]	0		125
Derivative Liability, Noncurrent	[7]	(387)		0
Forward Foreign Exchange Contracts [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Current	[8]	(66)		(14)
Derivative Assets (Liabilities), at Fair Value, Net		(66)	[8]	(14)
Forward Foreign Exchange Contracts [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Current	[8]	0		0
Derivative Assets (Liabilities), at Fair Value, Net		0	[8]	0
Forward Foreign Exchange Contracts [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Current		(66)		(14)
Derivative Assets (Liabilities), at Fair Value, Net		(66)		(14)
Forward Foreign Exchange Contracts [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Current	[8]	0		0
Derivative Assets (Liabilities), at Fair Value, Net		0	[8]	0
Cross Currency Interest Rate Contract [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Noncurrent		(1,312)
Cross Currency Interest Rate Contract [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Noncurrent		0
Cross Currency Interest Rate Contract [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Noncurrent		0
Interest Rate Swap [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Noncurrent				125
Derivative Liability, Noncurrent		(387)
Interest Rate Swap [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Noncurrent				0
Derivative Liability, Noncurrent		0
Interest Rate Swap [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Noncurrent				$ 0
Derivative Liability, Noncurrent		0
Scotiabank [Member] | Repayments of long-term debt [Member] | COLOMBIA
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt	[9]	$ (24,000)

[1] No cash assets were assigned as collateral for this total and the carrying amount on non-cash assets assigned as collateral for this total was $104.1 million.

[2] (1) The carrying amount on cash assets assigned as collateral for this total was $24.6 million and the carrying amount on non-cash assets assigned as collateral for this total was $84.2 million.

[3] (5) Derivatives listed on the above table were designated as cash flow hedging instruments.

[4] (1) The effective portion of the cross-currency interest rate swaps was recorded to Accumulated other comprehensive (income)/loss for $(2.8) million and $(917,000) net of tax as of August 31, 2015 and August 31, 2014, respectively.

[5] (2) The Company has recorded a deferred tax liability amount with an offset to other comprehensive income of $(1.3) million and $(548,000) as of August 31, 2015 and August 31, 2014, respectively, related to asset positions of cross-currency interest rate swaps. However, the equity effect of this deferred tax liability is offset by the full valuation allowance provided for the net deferred tax asset recorded for this subsidiary.

[6] respectively. (4) The effective portion of the cross-currency interest rate swaps was recorded to Accumulated other comprehensive (income)/loss for $830,000 and $0 net of tax as of August 31, 2015 and August 31, 2014, respectively. The Company has recorded a deferred tax asset amount with an offset to other comprehensive income - tax of $482,000 and $0 as of August 31, 2015 and August 31, 2014, respectively.

[7] (3) The effective portion of the interest rate swaps was recorded to Accumulated other comprehensive loss for $289,000 and $(94,000) net of tax as of August 31, 2015 and August 31, 2014, respectively. The Company has recorded a deferred tax (liability)/asset amount with an offset to other comprehensive income of $98,000 and $(31,000) as of August 31, 2015 and August 31, 2014, respectively.

[8] Derivatives listed on the above table were designated as cash flow hedging instruments.

[9] (3) Represents pay down of $16.0 million of Scotiabank & Trust (Cayman) Ltd. loans on March 14, 2011 and pay down of $8.0 million under an amended Scotiabank and Trust (Cayman) Ltd loan entered into on January 31, 2012. Pay downs of loans were made through a derivative agreement, See Note 12.