DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Apr. 30, 2012		Apr. 30, 2011		Apr. 30, 2012	Apr. 30, 2011
Nonderivatives designated as hedging relationships
Net investment hedge	$ 3,688		$ (506)		$ 2,352	$ (3,974)
Net investment hedge	$ 0	[1]	$ 0	[1]	$ 0	$ 0

[1] There were no gains or losses recognized in earnings related to the ineffective portion of the hedging relationship or related to the amount excluded from the assessment of hedge effectiveness for the nine months ended April 30, 2012 and April 30, 2011.