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Employee Benefit Plans - Schedule of Expected Benefit Payments (Details) - USD ($)
$ in Thousands
Jul. 31, 2016
Jul. 31, 2015
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]    
2016 $ 499 $ 659
2017 449  
2018 377  
2019 359  
2020 339  
2022 through 2026 $ 1,342