INCOME TAXES (Details Textuals) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jan. 31, 2013	Jan. 31, 2012	Jul. 31, 2012
Income Tax Disclosure [Abstract]
Effective Income Tax Rate, Continuing Operations	18.10%	24.00%
Discrete Tax Item	$ 7,757
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority	10,193
Reversal of Interest Due to Audit Settlement	6,704
Reversal of Interest, Net of Income Tax, Due to Audit Settlement	4,268
Unrecognized Tax Benefits	180,063		194,829
Unrecognized Tax Benefits, Period Increase (Decrease)	14,766
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	128,970
Income Tax Examination, Penalties and Interest Accrued	17,769		25,314
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound	0
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	$ 74,526