FINANCIAL INSTRUMENTS AND RISKS & UNCERTAINTIES (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Jul. 31, 2011
Other Assets Current [Member]
Derivatives designated as hedging instruments
Foreign Currency Fair Value Hedge Asset at Fair Value	$ 270
Derivatives not designated as hedging instruments
Foreign exchange forward contracts	3,508	1,456
Total derivatives		1,456
Other Current Liabilities [Member]
Derivatives designated as hedging instruments
Foreign Currency Fair Value Hedge Liability at Fair Value	0
Derivatives not designated as hedging instruments
Foreign exchange forward contracts	1,457	478
Total derivatives		478
Long-term Debt [Member]
Nonderivative instruments designated as hedging instruments
Net investment hedge	$ 115,129	$ 115,803

Fair value of all asset derivatives designated as cash flow hedging instruments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Fair value of all liability derivatives designated as cash flow hedging instruments.

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Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Number 133

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Aggregate notional amount of all nonderivative instruments that are designated as hedging instruments in a hedge of the net investment of foreign operations. For example, foreign currency denominated intercompany loans.

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