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Segment reporting (Details)
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12 Months Ended |
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Jul. 31, 2014
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| Segment Reporting [Abstract] | |
| Number of Reportable Segments | 3 |
| Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 100.00% |
| X | ||||||||||
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- Definition
Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. No definition available.
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| X | ||||||||||
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- Definition
Percentage of fair value of reporting unit in excess of carrying amount. No definition available.
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| X | ||||||||||
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- Details
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