NOTES PAYABLE AND LONG-TERM DEBT (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2013		Jul. 31, 2012		Jul. 31, 2011
Debt Disclosure [Abstract]
Interest expense	$ 24,074	[1]	$ 28,704	[1]	$ 26,055	[1]
Interest income	8,453		8,527		7,152
Interest expense, net	$ 15,621		$ 20,177		$ 18,903

[1] For fiscal years 2013, 2012 and 2011, interest expense was (reduced)/increased by $(2,794), $1,653 and $(485), respectively, related to Income taxes payable. See Note 11, Income Taxes for further discussion.