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Fair Value Measurements Fair Value Measurements (Details Textual)
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3 Months Ended |
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Aug. 31, 2013
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| Fair Value Disclosures (Textuals) [Abstract] | |
| Maximum maturity on short-term investments classified as cash equivalents | 90 days |
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- Details
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- Definition
Maximum maturity on short-term investments classified as cash equivalents No definition available.
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