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GOODWILL AND INTANGIBLE ASSETS (Details Textuals) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Jan. 31, 2015
Jan. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization expense for Intangible assets $ 6,029us-gaap_AmortizationOfIntangibleAssets $ 4,655us-gaap_AmortizationOfIntangibleAssets $ 12,246us-gaap_AmortizationOfIntangibleAssets $ 9,379us-gaap_AmortizationOfIntangibleAssets
Estimated amortization expense for intangible assets, remainder of 2014 10,819us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear   10,819us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear  
Estimated amortization expense for intangible assets, 2015 21,521us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths   21,521us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths  
Estimated amortization expense for intangible assets, 2016 21,232us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo   21,232us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo  
Estimated amortization expense for intangible assets, 2017 21,098us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree   21,098us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree  
Estimated amortization expense for intangible assets, 2018 18,969us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour   18,969us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour  
Estimated amortization expense for intangible assets, 2019 $ 17,642us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive   $ 17,642us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive