GOODWILL AND INTANGIBLE ASSETS (Details Textuals) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2011
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense for Intangible assets	$ 19,856	$ 20,535	$ 13,436
Estimated amortization expense for intangible assets, 2014	17,696
Estimated amortization expense for intangible assets, 2015	15,989
Estimated amortization expense for intangible assets, 2016	14,760
Estimated amortization expense for intangible assets, 2017	14,681
Estimated amortization expense for intangible assets, 2018	$ 14,558