COMPONENTS OF NET PERIODIC PENSION COST (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2013	Oct. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3,166	$ 3,837
Interest cost	7,232	6,635
Expected return on plan assets	(5,763)	(6,486)
Amortization of prior service cost/(credit)	384	376
Amortization of actuarial loss	2,730	3,811
Loss due to curtailments and settlements	0	16
Net periodic benefit cost	7,749	8,189
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	2,170	2,648
Interest cost	3,028	2,617
Expected return on plan assets	(2,325)	(2,383)
Amortization of prior service cost/(credit)	395	393
Amortization of actuarial loss	1,344	2,411
Loss due to curtailments and settlements	0	16
Net periodic benefit cost	4,612	5,702
Foreign Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	996	1,189
Interest cost	4,204	4,018
Expected return on plan assets	(3,438)	(4,103)
Amortization of prior service cost/(credit)	(11)	(17)
Amortization of actuarial loss	1,386	1,400
Loss due to curtailments and settlements	0	0
Net periodic benefit cost	$ 3,137	$ 2,487