DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2014	Jul. 31, 2014
Foreign Exchange Contract [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	$ 4,835	$ 5,931
Foreign Exchange Contract [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	1,751	1,726
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	3,626	4,755
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	86	3
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	1,209	1,176
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	1,665	1,723
Net Investment Hedging [Member] | Long-term Debt [Member]
Nonderivative instruments designated as hedging instruments
Debt Instrument, Fair Value Disclosure	$ 82,422	$ 87,570