COMPONENTS OF NET PERIODIC PENSION COST (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2014	Oct. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3,544	$ 3,166
Interest cost	6,884	7,232
Expected return on plan assets	(6,327)	(5,763)
Amortization of prior service cost/(credit)	366	384
Amortization of actuarial loss	2,393	2,730
Net periodic benefit cost	6,860	7,749
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	2,589	2,170
Interest cost	2,896	3,028
Expected return on plan assets	(2,483)	(2,325)
Amortization of prior service cost/(credit)	365	395
Amortization of actuarial loss	1,019	1,344
Net periodic benefit cost	4,386	4,612
Foreign Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	955	996
Interest cost	3,988	4,204
Expected return on plan assets	(3,844)	(3,438)
Amortization of prior service cost/(credit)	1	(11)
Amortization of actuarial loss	1,374	1,386
Net periodic benefit cost	$ 2,474	$ 3,137