INCOME TAXES (Details 4) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2014		Jul. 31, 2013
Income Taxes [Line Items]
Other current assets	$ 39,001	[1]	$ 37,653	[1]
Other non-current assets	16,569	[1]	16,998	[1]
Deferred income taxes	(67,303)		(31,524)
Net deferred tax (liability)/asset	(15,060)		21,409
Other current assets [Member]
Income Taxes [Line Items]
Other current assets	39,001		37,653
Other non-current assets [Member]
Income Taxes [Line Items]
Other non-current assets	16,569		16,998
Accrued liabilities [Member]
Income Taxes [Line Items]
Accrued liabilities	$ (3,327)		$ (1,718)

[1] See Note 11, Income Taxes, for further discussion.