Employee Benefit Plans (Weighted-Average Discount Rates In Determining Actuarial Present Value Of Projected Benefit Obligation) (Details)	Jul. 31, 2012	Jul. 31, 2011
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.59%	4.91%
Rate of compensation increase	2.61%	4.50%
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.13%	5.36%
Rate of compensation increase	2.86%	3.57%