Other liabilities (Details) - USD ($) $ in Thousands |
Jul. 31, 2015 |
Jul. 31, 2014 |
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| Other Liabilities and Financial Instruments Subject to Mandatory Redemption [Abstract] | ||
| Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation (in Dollars) | $ 534 | |
| Short-term Debt, Weighted Average Interest Rate | 2.70% | 2.87% |
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- Definition The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Weighted average interest rate of short-term debt outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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