Defined Contribution Plans

12 Months Ended

Jul. 31, 2017

Defined Contribution Plans [Abstract]

Defined Contribution Plans

17. Defined Contribution Plans

Contributions to the EEI Defined Contribution Plan and EEI Supplemental Retirement Plan are discretionary and determined annually by its Board of Directors.  The total expense under this plan was $1.5 million, $1.4 million, and $1.2 million for fiscal years 2017, 2016 and 2015, respectively.