Employee Benefit Plans (Obligations And Funded Status Of Company's Pension Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Funded Status of Plan	$ (81.8)	$ (20.2)
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Service cost	18.4	20.4	$ 18.8
Interest cost	18.9	19.1	19.5
Defined Benefit Plan, Actuarial Gain (Loss)	(8.5)	(7.1)	(7.4)
Settlement loss	0.0	(3.9)	0.0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Settlement loss	0.0	(3.9)	0.0
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Other long-term assets	1.4	10.3
Other current liabilities	(1.5)	(2.9)
Other long-term liabilities	(81.7)	(27.6)
Recognized asset/(liability)	(81.8)	(20.2)
Change In Plan Assets
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Defined Benefit Plan, Contributions by Plan Participants	1.0	1.2
Settlement loss	0.0	(9.2)
Defined Benefit Plan, Benefits Paid	(32.5)	(26.4)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	478.5	489.9
Defined Benefit Plan, Actual Return on Plan Assets	22.2	35.0
Defined Benefit Plan, Contributions by Employer	4.2	5.5
Defined Benefit Plan, Contributions by Plan Participants	1.0	1.2
Currency exchange rates	(17.9)	(17.5)
Ending balance	455.5	478.5	489.9
Settlement loss	0.0	(9.2)
Pension Plan
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation, beginning of year	498.7	498.7
Service cost	18.4	20.4
Interest cost	18.9	19.1
Defined Benefit Plan, Contributions by Plan Participants	1.0	1.2
Defined Benefit Plan, Actuarial Gain (Loss)	50.0	13.1
Defined Benefit Plan, Foreign Currency Exchange Rate Gain (Loss)	(17.2)	(18.2)
Settlement loss	0.0	(9.2)
Defined Benefit Plan, Benefits Paid	(32.5)	(26.4)
Benefit obligation, end of year	537.3	498.7	498.7
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Defined Benefit Plan, Contributions by Plan Participants	1.0	1.2
Settlement loss	0.0	(9.2)
Foreign Pension Plan
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Defined Benefit Plan, Contributions by Employer	3.3
United States Pension Plan of US Entity
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Defined Benefit Plan, Contributions by Employer	0.9
International Assets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	157.2	153.6
Ending balance	158.6	157.2	153.6
U S Assets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	321.3	336.2
Ending balance	$ 296.9	$ 321.3	$ 336.2