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Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Aug. 31, 2012
Schedule of Future Minimum Payments for Operating Leases
2013	$ 1,468
2014	802
2015	361
2016	198
2017	179
Thereafter	$ 125

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Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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