Note 5 - Derivative Instruments (Tables)

12 Months Ended

Aug. 31, 2017

Notes Tables

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

	Gross Notional Value				Fair Value (Liability) Asset
Currency Hedged ( in thousands, in U.S. dollars)	Aug ust 31, 2017		Aug ust 31, 2016		Aug ust 31, 2017		Aug ust 31, 2016
British Pound Sterling	$	—	$	33,280	$	—	$	(2,791	)
Indian Rupee		51,000		58,410		6,142		869
Total	$	51,000	$	91,690	$	6,142	$	(1,922	)

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

Designation of Derivatives (in thousands)	Balance Sheet Location	Aug ust 31, 2017		Aug ust 31, 2016
Derivatives designated as hedging instruments	Assets: Foreign Currency Forward Contracts
	Prepaid expenses and other current assets	$	3,796	$	163
	Other assets	$	2,346	$	706
	Liabilities: Foreign Currency Forward Contracts
	Accounts payable and accrued expenses	$	—	$	2,791
	Deferred rent and other non-current liabilities	$	—	$	—

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

(in thousands):	Gain (Loss) Recognized in AOCL on Derivatives (Effective Portion)								Location of Loss Reclassified from	Loss Reclassified from AOCL into Income (Effective Portion)
Derivatives in Cash Flow Hedging Relationships	2017		201 6			201 5			AOCL into Income (Effective Portion)	201 7			201 6			201 5
Foreign currency forward contracts	$	5,183	$	(1,806	)	$	(1,939	)	SG&A	$	(2,883	)	$	(451	)	$	(559	)