COMPONENTS OF NET PERIODIC PENSION COST (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3,741	$ 3,388	$ 11,386	$ 10,241
Interest cost	6,516	7,579	19,817	23,342
Expected return on plan assets	(6,320)	(6,211)	(19,308)	(18,636)
Amortization of prior service cost/(credit)	380	343	1,134	1,307
Amortization of actuarial loss	3,769	2,858	11,403	10,490
Loss due to curtailments and settlements	16	0	49	0
Net periodic benefit cost	8,102	7,957	24,481	26,744
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	2,648	2,231	7,943	6,693
Interest cost	2,617	3,052	7,852	9,699
Expected return on plan assets	(2,383)	(2,303)	(7,150)	(6,909)
Amortization of prior service cost/(credit)	392	374	1,178	1,405
Amortization of actuarial loss	2,411	1,546	7,233	6,546
Loss due to curtailments and settlements	16	0	49	0
Net periodic benefit cost	5,701	4,900	17,105	17,434
Foreign Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1,093	1,157	3,443	3,548
Interest cost	3,899	4,527	11,965	13,643
Expected return on plan assets	(3,937)	(3,908)	(12,158)	(11,727)
Amortization of prior service cost/(credit)	(12)	(31)	(44)	(98)
Amortization of actuarial loss	1,358	1,312	4,170	3,944
Loss due to curtailments and settlements	0	0	0	0
Net periodic benefit cost	$ 2,401	$ 3,057	$ 7,376	$ 9,310