Employee Benefit Plans (Assumptions Used to Determine Net Periodic Benefit Cost) (Details) - Pension Plan	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2018
U.S. Plan
Defined Benefit Plan Disclosure
Discount rate	3.55%	4.43%	3.94%
Expected return on plan assets	6.08%	6.25%	6.58%
Non - U.S. Plan
Defined Benefit Plan Disclosure
Discount rate	1.85%	2.43%	2.40%
Expected return on plan assets	3.78%	4.08%	4.19%
Rate of compensation increase	2.72%	2.69%	2.70%