ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Apr. 30, 2014		Apr. 30, 2013	Apr. 30, 2014		Apr. 30, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	$ 104,096		$ 93,754	$ 305,100		$ 300,730
Realized investment gain/(losses)	(201,045)		(199,595)	(592,228)		(601,569)
Tax (expense)/benefit	(15,405)		(19,483)	(61,230)		(56,975)
Net of tax	88,691		73,065	243,870		489,307
Foreign exchange forward contracts	682,445		641,190	1,989,193		1,931,245
Foreign exchange forward contracts	(334,371)		(307,111)	(971,146)		(928,120)
Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of prior service cost	(385)	[1]		(1,154)	[1]
Recognized actuarial gain/(loss)	(2,794)	[1]		(8,294)	[1]
Total before tax	(3,179)			(9,448)
Tax (expense)/benefit	958			2,897
Net of tax	(2,221)			(6,551)
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized investment gain/(losses)	(217)			(336)
Tax (expense)/benefit	78			121
Net of tax	(139)			(215)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	611			(143)
Tax (expense)/benefit	(102)			(112)
Net of tax	509			(255)
Foreign Exchange Contract [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Foreign exchange forward contracts	440			552
Foreign exchange forward contracts	$ 171			$ (695)

[1] These accumulated other comprehensive income components are included in the computation of net periodic pension cost (see Note 8, Components of Net Periodic Pension Cost, for additional details).