Employee Benefit Plans (Assumptions Used To Determine Net Periodic Benefit Cost) (Details) - Pension Plan	12 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015
U.S. Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.65%	4.33%	4.33%
Expected return on plan assets	6.90%	6.99%	7.14%
Rate of compensation increase	2.56%	2.56%	2.61%
Non - U.S. Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.08%	3.14%	3.64%
Expected return on plan assets	3.93%	4.83%	5.41%
Rate of compensation increase	2.69%	2.68%	2.79%