OTHER CURRENT AND NON-CURRENT ASSETS (Details Textuals) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2014		Jul. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Fair value of the company's asset relating to the defined benefit plans	$ 87,720	[1]	$ 91,031	[1]
Foreign Plans [Member] | GERMANY [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of the company's asset relating to the defined benefit plans	18,102		18,111
Fair value of the company's liability relating to the defined benefit plans	67,878		65,428
Nonqualified Defined Benefit Plan, Profit Sharing Plan, Assets for Contractual Obligations and Nonqualified Defined Contribution Plan [Member] | Benefit Protection [Member]
Defined Benefit Plan Disclosure [Line Items]
Retirement benefit assets related to Benefits Protection Trust	68,844
Assets held-in-trusts available to settle defined benefit plans	68,844
Retirement related liabilities associated with the assets held in the benefits protection trust	113,393
Nonqualified Defined Benefit Plan, Profit Sharing Plan, Assets for Contractual Obligations and Nonqualified Defined Contribution Plan [Member] | Benefit Protection [Member] | Available-for-sale Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Retirement benefit assets related to Benefits Protection Trust	66,051
Nonqualified Defined Benefit Plan, Profit Sharing Plan and Assets Set Aside for Contractual Obligations [Member] | Benefit Protection [Member]
Defined Benefit Plan Disclosure [Line Items]
Retirement benefit assets related to Benefits Protection Trust			71,990
Assets held-in-trusts available to settle defined benefit plans			70,669
Retirement related liabilities associated with the assets held in the benefits protection trust			112,508
Nonqualified Defined Benefit Plan, Profit Sharing Plan and Assets Set Aside for Contractual Obligations [Member] | Benefit Protection [Member] | Available-for-sale Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Retirement benefit assets related to Benefits Protection Trust			$ 70,901

[1] Retirement benefit assets are held to satisfy obligations related to certain retirement benefit plans, which provide benefits to eligible employees in Germany and the U.S. These include guaranteed investment contracts of $18,102 and $18,111 as of July 31, 2014 and July 31, 2013, respectively. The guaranteed investment contracts were established to pay for supplementary retirement benefits related to plans in Germany. The July 31, 2014 and July 31, 2013 consolidated balance sheets reflect related liabilities in the amounts of $67,878 and $65,428, respectively. Also included within retirement benefit assets are benefits protection trusts, with assets aggregating $68,844 and $71,990 as of July 31, 2014 and July 31, 2013, respectively. The trust was established for the primary purpose of satisfying certain supplemental post-employment benefit obligations in the U.S. for eligible executives in the event of a change of control of the Company. In addition to holding cash equivalents primarily to satisfy cash requirements relating to benefit payments, the trust primarily invests in U.S. and Municipal government obligations, and debt obligations of corporations and financial institutions with high credit ratings. Contractual maturity dates of debt securities held by the trust range from 2014 to 2046. Such debt and equity securities are classified as available-for-sale and trading and aggregated $66,051 and $70,901 as of July 31, 2014 and July 31, 2013, respectively. The July 31, 2014 and July 31, 2013 consolidated balance sheets reflect retirement benefit assets held in the trust of $68,844 and $70,669 that relate to retirement benefit liabilities of $113,393 and $112,508, respectively.