Employee Benefit Plans (Assumptions Used To Determine Net Periodic Benefit Cost) (Details) - Pension Plan	12 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2016
U.S. Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.94%	3.65%	4.33%
Expected return on plan assets	6.58%	6.90%	6.99%
Rate of compensation increase		2.56%	2.56%
Non - U.S. Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.40%	2.08%	3.14%
Expected return on plan assets	4.19%	3.93%	4.83%
Rate of compensation increase	2.70%	2.69%	2.68%