Annual report pursuant to Section 13 and 15(d)

Other liabilities (Details)

Other liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Jul. 31, 2014
Jul. 31, 2013
Other Liabilities and Financial Instruments Subject to Mandatory Redemption [Abstract]    
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation (in Dollars) $ 330  
Short-term Debt, Weighted Average Interest Rate 2.87% 4.50%