FINANCIAL INSTRUMENTS AND RISKS & UNCERTAINTIES (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2014	Jul. 31, 2013
Derivatives, Fair Value [Line Items]
Derivative asset	$ 5,931	$ 301
Derivative liability	1,726	3,066
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative asset	4,755	0
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liability	3	1,941
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative asset	1,176	301
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liability	1,723	1,125
Net investment Hedge [Member] | Designated as Hedging Instrument [Member] | Long-term Debt [Member]
Nonderivative instruments designated as hedging instruments
Net investment hedge	$ 87,570	$ 91,800