Employee Benefit Plans (Obligations And Funded Status Of Company's Pension Plans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 18,821	$ 19,439	$ 15,464
Interest cost	19,499	16,953	19,436
Actuarial loss/(gain)	(7,403)	(10,362)	(5,696)
Funded/(Underfunded) status at July 31, 2014 and 2013	(8,783)	7,781
Amounts recognized on the consolidated balance sheets consist of:
Other long-term assets	17,800	23,234
Other current liabilities	(832)	(949)
Other long-term liabilities	(25,751)	(14,504)
Recognized asset/(liability)	(8,783)	7,781
Change In Benefit Obligation [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, beginning of year	444,943	461,492
Service cost	18,821	19,439
Interest cost	19,499	16,953
Plan amendments		(9)
Participant contributions	1,308	1,207
Actuarial loss/(gain)	29,638	(27,176)
Currency exchange rates	8,873	1,225
Divestiture	(3,200)
Curtailment		(11,692)
Benefits paid	(21,229)	(16,496)
Benefit obligation, end of year	498,653	444,943
Change in Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	452,724	387,576
Actual return on plan assets	45,978	51,524
Company contributions	4,263	28,186
Participant contributions	1,308	1,207
Currency exchange rates	9,912	727
Divestiture	(3,086)
Benefits paid	(21,229)	(16,496)
Ending balance	$ 489,870	$ 452,724