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Employee Benefit Plans - Schedule of Expected Benefit Payments (Details) - USD ($)
$ in Thousands
Jul. 31, 2015
Jul. 31, 2014
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]    
2016 $ 659 $ 476
2017 614  
2018 569  
2019 508  
2020 439  
2021 through 2025 $ 1,264