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Note 3 - Restricted and Escrowed Cash and Cash Equivalents and Restricted Short-term Investments (Detail) - Purposes of Restricted Cash, Cash Equivalents, And Short-Term Investments (USD $)
In Thousands, unless otherwise specified |
Nov. 30, 2012
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Aug. 31, 2012
|
|---|---|---|
| Restricted Assets - purpose | $ 32,867 | $ 33,348 |
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Contractually required by projects [Member]
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| Restricted Assets - purpose | 996 | 1,628 |
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Voluntarily used to secure letters of credit to avoid bank fees [Member]
|
||
| Restricted Assets - purpose | 0 | |
|
Secure contingent obligations in lieu of letters of credit [Member]
|
||
| Restricted Assets - purpose | 0 | |
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Assets held in trust and other [Member]
|
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| Restricted Assets - purpose | $ 31,871 | $ 31,720 |