DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Derivative Instruments and Hedging Activities (Details) (USD $)	3 Months Ended												3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended					3 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Aug. 31, 2013	Dec. 11, 2012	Feb. 21, 2012	Nov. 17, 2011	May 05, 2011	Nov. 20, 2008	Nov. 30, 2013 RBTT [Member]	Aug. 31, 2013 RBTT [Member]	Nov. 30, 2013 Scotiabank [Member]	Aug. 31, 2013 Scotiabank [Member]	Nov. 30, 2013 Interest Rate Swap [Member]	Aug. 31, 2013 Interest Rate Swap [Member]	Nov. 30, 2013 Cross Currency Interest Rate Contract [Member]	Aug. 31, 2013 Cross Currency Interest Rate Contract [Member]	Nov. 30, 2013 Forward Foreign Exchange Contracts [Member]	Aug. 31, 2013 Forward Foreign Exchange Contracts [Member]	Oct. 21, 2011 Colombia $6M Cross Currency Interest Rate Swap [Member]	Oct. 21, 2011 Colombia Cross currency interest rate swap [Member]	Nov. 30, 2013 Derivative Swaps [Member]	Nov. 30, 2012 Derivative Swaps [Member]	Nov. 30, 2013 Forward Foreign Exchange Contracts [Member]	Nov. 30, 2012 Forward Foreign Exchange Contracts [Member]	Nov. 30, 2013 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member]	Aug. 31, 2013 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member]	Nov. 30, 2013 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Derivative Swaps [Member]		Aug. 31, 2013 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Derivative Swaps [Member]		Nov. 30, 2013 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Interest Rate Swap [Member]		Aug. 31, 2013 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Interest Rate Swap [Member]		Nov. 30, 2013 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Cross Currency Interest Rate Contract [Member]		Aug. 31, 2013 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Cross Currency Interest Rate Contract [Member]		Nov. 30, 2013 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Forward Foreign Exchange Contracts [Member]	Aug. 31, 2013 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Forward Foreign Exchange Contracts [Member]	Nov. 30, 2013 Colombia Subsidiary [Member] Citibank [Member]
Derivative [Line Items]
Document Period End Date	Nov. 30, 2013
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	$ 12,038,000		$ 12,871,000												$ 3,000	$ 0
Derivative Asset, Fair Value, Gross Asset																																			1,324,000	[1],[2]	1,505,000	[1],[2]	0	0
Derivative Liability, Fair Value, Gross Liability																															0	[3]	(14,000)	[3]	(9,000)	[1],[4]	0	[1],[4]	(4,000)	0
Notional Amount of Foreign Currency Derivative Instruments Not Designated as Hedging Instruments																																									5,000,000
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net													0	10,000	(855,000)	(1,000,000)
Other Comprehensive Income (Loss), Tax	31,000	(18,000)											0	4,000	(460,000)	(497,000)
Notional Amount of Interest Rate Cash Flow Hedge Derivatives				8,000,000	8,000,000	8,000,000	8,000,000	8,900,000											6,000,000	2,000,000
Derivative, Fixed Interest Rate				4.79%	6.02%	5.85%	6.09%	7.05%											5.45%	5.30%
interest expense (variable) on borrowings for derivatives	126,000	198,000
Gain (Loss) on Derivative Instruments, Net, Pretax																					431,000	396,000	(123,000)	95
interest expense (fixed) on borrowings of derivatives	557,000	594,000
Derivative Liability, Notional Amount	32,000,000		44,500,000						0	4,500,000	32,000,000	40,000,000
Derivative Assets (Liabilities), at Fair Value, Net																	$ (4,000)	$ 0							$ 1,315,000	$ 1,491,000	$ 1,315,000	[5]	$ 1,491,000	[5]									$ (4,000)	$ 0

[1] (1) The effective portion of the cross-currency interest rate swaps was recorded to Accumulated other comprehensive (income)/ loss for $(855,000) and $(1.0) million as of November 30, 2013 and August 31, 2013, respectively.

[2] (2) The Company has recorded a deferred tax liability amount with an offset to other comprehensive income - tax of $(460,000) and $(497,000) as of November 30, 2013 and August 31, 2013, respectively, related to Other non-current assets for the cross-currency interest rate swap.

[3] (3) The effective portion of the interest rate swaps was recorded to Accumulated other comprehensive loss for $0 and $10,000 net of tax as of November 30, 2013 and August 31, 2013, respectively. The Company has recorded a deferred tax asset amount with an offset to other comprehensive income - tax of $0 and $4,000 as of November 30, 2013 and August 31, 2013, respectively.

[4] (4) The Company has recorded a deferred tax asset amount with an offset to the tax valuation allowance of $3,000 and $0 as of November 30, 2013 and August 31, 2013, respectively, related to Other long-term liabilities for the cross currency interest rate swaps.

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