Employee Benefit Plans (Obligations And Funded Status Of Company's Pension Plans) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 20,412	$ 18,821	$ 19,439
Interest cost	19,108	19,499	16,953
Actuarial loss/(gain)	(7,086)	(7,403)	(10,362)
Settlement	3,906
Underfunded status at July 31, 2015 and 2014	(20,194)	(8,783)
Amounts recognized on the consolidated balance sheets consist of:
Other long-term assets	10,317	17,800
Other current liabilities	(2,901)	(832)
Other long-term liabilities	(27,610)	(25,751)
Recognized asset/(liability)	(20,194)	(8,783)
Change In Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	489,870	452,724
Actual return on plan assets	34,959	45,978
Company contributions	5,511	4,263
Participant contributions	1,156	1,308
Currency exchange rates	(17,454)	9,912
Divestiture		(3,086)
Settlement	(9,185)
Benefits paid	(26,378)	(21,229)
Ending balance	478,479	489,870	452,724
Pension Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, beginning of year	498,653	444,943
Service cost	20,412	18,821
Interest cost	19,108	19,499
Plan amendments	(26)
Participant contributions	1,156	1,308
Actuarial loss/(gain)	13,148	29,638
Currency exchange rates	(18,215)	8,873
Divestiture		(3,200)
Settlement	(9,185)
Benefits paid	(26,378)	(21,229)
Benefit obligation, end of year	498,673	498,653	444,943
Foreign Pension Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Company contributions	3,900
United States Pension Plans Of U S Entity Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Company contributions	1,600
International Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	153,600	135,500
Ending balance	157,200	153,600	135,500
U S Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	336,200	317,200
Ending balance	$ 321,300	$ 336,200	$ 317,200