Note 5 - Derivative Instruments (Tables)

12 Months Ended

Aug. 31, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Foreign Exchange Contracts, Statement of Financial Position [Table Text Block]

	Gross Notional Value				Fair Value Asset (Liability)
Currency Hedged (in U.S. dollars)	Aug 31, 2014		Aug 31, 2013		Aug 31, 2014		Aug 31, 2013
Indian Rupee	$	38,479	$	47,388	$	700	$	(7,693	)
Philippine Peso		6,500		11,700		115		(178	)
British Pound		0		10,436		0		131
Total	$	44,979	$	69,524	$	815	$	(7,740	)

Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]

Designation of Derivatives	Balance Sheet Location	Aug 31, 2014		Aug 31, 2013
Derivatives designated as hedging instruments	Assets: Foreign Currency Forward Contracts
	Prepaid expenses and other current assets	$	114	$	0
	Other assets	$	1,292		0
	Liabilities: Foreign Currency Forward Contracts
	Accounts payable and accrued expenses	$	591	$	3,085
	Deferred rent and other non-current liabilities	$	0	$	4,655

Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Gain (Loss) Recognized in AOCL on Derivatives (Effective Portion)								Location of Gain (Loss)Reclassified from AOCL into Income (Effective	(Loss) Reclassifiedfrom AOCL into Income(Effective Portion)
Derivatives in Cash Flow Hedging Relationships	2014		2013			2012			Portion)	2014			2013			2012
Foreign currency forward contracts	$	8,294	$	(6,258	)	$	(4,450	)	SG&A	$	(260	)	$	(1,000	)	$	(1,031	)

Offsetting Assets and Liabilities [Table Text Block]

	Derivatives Offset in Consolidated Balance Sheets
August 31, 2014	Gross Derivative Amounts			Gross Derivative Amounts Offset in Balance Sheet		Net Amounts
Fair value of assets	$	1,406		$	0	$	1,406
Fair value of liabilities		(626	)		35		(591	)
Total	$	780		$	35	$	815

	Derivatives Offset in Consolidated Balance Sheets
August 31, 2013	Gross Derivative Amounts			Gross Derivative Amounts Offset in Balance Sheet		Net Amounts
Fair value of assets	$	131		$	0	$	131
Fair value of liabilities		(7,871	)		0		(7,871	)
Total	$	(7,740	)	$	0	$	(7,740	)