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Contingencies and Litigation - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
Feb. 28, 2013
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Aug. 31, 2012
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|---|---|---|
| Commitments and Contingencies Disclosure [Abstract] | ||
| Outstanding letters of credit | $ 10.8 | $ 8.5 |
| Discounted present value of future minimum lease payments | $ 12.2 |
| X | ||||||||||
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- Definition
Discounted present value of future minimum lease payments. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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