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Research and Development Costs
12 Months Ended
Jul. 31, 2015
Research and Development Costs [Abstract]  
Research and Development Costs
Note 17.Research and Development Costs

R&D costs related to both future and present products are charged to operations as incurred.  The Company incurred approximately $4.3 million, $5.2 million and $3.6 million of R&D costs during the years ended July 31, 2015, 2014 and 2013, respectively.