DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2014	Jul. 31, 2013
Foreign Exchange Contract [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	$ 3,555	$ 301
Foreign Exchange Contract [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	689	3,066
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	2,895	0
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	7	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	660	301
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	682	1,125
Net Investment Hedging [Member] | Long-term Debt [Member]
Nonderivative instruments designated as hedging instruments
Debt Instrument, Fair Value Disclosure	$ 87,687	$ 91,800