GOODWILL AND INTANGIBLE ASSETS (Details Textuals) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Estimated amortization expense for intangible assets, remainder of 2013	$ 4,655		$ 4,655
Estimated amortization expense for intangible assets, 2014	17,987		17,987
Estimated amortization expense for intangible assets, 2015	16,114		16,114
Estimated amortization expense for intangible assets, 2016	14,866		14,866
Estimated amortization expense for intangible assets, 2017	14,787		14,787
Estimated amortization expense for intangible assets, 2018	14,639		14,639
Segment, Continuing Operations [Member]
Amortization expense for Intangible assets	4,765	5,911	14,900	14,610
Segment, Discontinued Operations [Member]
Amortization expense for Intangible assets		$ 45		$ 136