RETIREMENT PLAN Defined Contribution Plan (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2010
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
MinimumNumberOfDaysOfEmploymentToQualifyForRetirementPlan	90
Maximum contribution rate of annual eligible earnings to be matched under 401(k) plans	4.00%
Percentage Of Participant Contribution To Be Matched for 401(K) Plan	100.00%
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Other Long-Term Liability, Start of Period	$ (471)
Accumulated Other Comprehensive Loss, Start of Period	273
Other Long-Term Liability, End of Period	(396)
Accumulated Other Comprehensive Loss, End of Period	74
Deferred tax asset on defined benefit plan	25	91
Discount rate	3.50%	5.00%
Future salary escalation	5.00%	4.00%
Percentage of employees assumed to withdraw from Company without a benefit (“turnover”)	11.00%	7.00%
Percentage of employees assumed to withdraw from Company with a benefit (“disability”)	0.50%	1.00%
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Other Long-Term Liability, Start of Period	(471)	0
Accumulated Other Comprehensive Loss, Start of Period	(364)	0
Other Long-Term Liability, End of Period	(396)	(471)
Accumulated Other Comprehensive Loss, End of Period	(99)	(364)
Defined Benefit Plan, Net Periodic Benefit Cost	185	112
Pension Plans, Defined Benefit [Member] | Other Liabilities [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Service cost	(140)	(90)
Interest cost	(31)	(13)
Prior service cost (including amortization)	0	(359)
Actuarial gains (losses)	246	(9)
Pension Plans, Defined Benefit [Member] | Accumulated other comprehensive loss [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Service cost	0	0
Interest cost	0	0
Prior service cost (including amortization)	(19)	355
Actuarial gains (losses)	(246)	9
Pension Plans, Defined Benefit [Member] | Operating Expense [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Service cost	140	90
Interest cost	31	13
Prior service cost (including amortization)	14	9
Actuarial gains (losses)	0	0
United States Employees [Domain]
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
Defined Contribution Plan, Cost Recognized	1,000	821	566
Foreign Employees [Domain]
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
Defined Contribution Plan, Cost Recognized	$ 642	$ 497	$ 409