GOODWILL AND INTANGIBLE ASSETS (Details Textuals) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2013	Oct. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense for Intangible assets	$ 4,724	$ 5,278
Estimated amortization expense for intangible assets, remainder of 2014	13,899
Estimated amortization expense for intangible assets, 2015	16,893
Estimated amortization expense for intangible assets, 2016	15,663
Estimated amortization expense for intangible assets, 2017	15,584
Estimated amortization expense for intangible assets, 2018	15,466
Estimated amortization expense for intangible assets, 2019	$ 13,051