INCOME TAXES (Details Textuals) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended		12 Months Ended
	Apr. 30, 2012	Apr. 30, 2012	Apr. 30, 2011	Jul. 31, 2011
Income Tax Disclosure [Abstract]
Effective Income Tax Rate, Continuing Operations		22.80%	29.70%
Discrete Tax Item			$ 8,409
Unrecognized Tax Benefits	215,798	215,798		188,380
Unrecognized Tax Benefits, Period Increase (Decrease)		27,418
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	144,360	144,360
Income Tax Examination, Penalties and Interest Accrued		33,557		29,652
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound	0	0
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	61,633	61,633
Income taxes payable reclassified from noncurrent to current	57,126
Interest payable reclassified from noncurrent to current	$ 17,870