DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2013	Jul. 31, 2013
Foreign Exchange Contract [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	$ 1,180	$ 301
Foreign Exchange Contract [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	1,395	3,066
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	405	0
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	92	1,941
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	775	301
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	1,303	1,125
Net Investment Hedging [Member] | Long-term Debt [Member]
Nonderivative instruments designated as hedging instruments
Debt Instrument, Fair Value Disclosure	$ 91,359	$ 91,800