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Commitments And Contingencies (Future Minimum Rental Payments) (Details) (USD $) In Thousands, unless otherwise specified	Aug. 31, 2013
Commitments And Contingencies [Abstract]
2014	$ 1,775
2015	1,485
2016	935
2017	590
2018	325
Thereafter	$ 376

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Amount of required minimum rental payments maturing in the next 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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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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Amount of required minimum rental payments maturing in the forth 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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Amount of required minimum rental payments maturing in the third 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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