|
Segment reporting (Details)
|
6 Months Ended |
|---|---|
|
Jan. 31, 2015
|
|
| Segment Reporting [Abstract] | |
| Number of Reportable Segments | 3us-gaap_NumberOfReportableSegments |
| X | ||||||||||
|
- 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.
|
| X | ||||||||||
|
- Details
|