Other Comprehensive Income Schedule of Other Comprehensive Income, Tax (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2015	Oct. 31, 2014
Other Comprehensive Income (Loss), Tax [Abstract]
Derivatives used in Net Investment Hedge, Tax Benefit (Expense)	$ (340)	$ (3,179)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	(499)	203
Other Comprehensive Income Tax Other Adjustments	(15)	56
Other Comprehensive Income (Loss), Tax	$ (144)	$ 3,326