COMPONENTS OF NET PERIODIC PENSION COST (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 30, 2012	Apr. 30, 2011	Apr. 30, 2012	Apr. 30, 2011
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3,388	$ 3,318	$ 10,241	$ 9,956
Interest cost	7,579	7,678	23,342	22,899
Expected return on plan assets	(6,211)	(5,756)	(18,636)	(17,269)
Amortization of prior service cost	343	686	1,307	1,742
Recognized actuarial loss	2,858	3,361	10,490	8,125
Gain due to curtailments and settlements	0	(23)	0	(71)
Net periodic benefit cost	7,957	9,264	26,744	25,382
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	2,231	2,014	6,693	6,044
Interest cost	3,052	3,100	9,699	9,164
Expected return on plan assets	(2,303)	(2,202)	(6,909)	(6,608)
Amortization of prior service cost	374	615	1,405	1,527
Recognized actuarial loss	1,546	1,946	6,546	3,880
Gain due to curtailments and settlements	0	0	0	0
Net periodic benefit cost	4,900	5,473	17,434	14,007
Foreign Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1,157	1,304	3,548	3,912
Interest cost	4,527	4,578	13,643	13,735
Expected return on plan assets	(3,908)	(3,554)	(11,727)	(10,661)
Amortization of prior service cost	(31)	71	(98)	215
Recognized actuarial loss	1,312	1,415	3,944	4,245
Gain due to curtailments and settlements	0	(23)	0	(71)
Net periodic benefit cost	$ 3,057	$ 3,791	$ 9,310	$ 11,375