Employee Benefit Plans (Assumptions Used To Determine Net Periodic Benefit Cost) (Details)	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.91%	5.25%	6.00%
Expected return on plan assets	7.75%	8.00%	8.50%
Rate of compensation increase	4.50%	5.00%	5.00%
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.36%	5.17%	5.90%
Expected return on plan assets	6.03%	6.17%	6.64%
Rate of compensation increase	3.57%	3.69%	3.87%