Income Taxes (Components Of The Provision For Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2011
Income Taxes [Abstract]
Federal, Current	$ 35,820	$ 45,468	$ 26,675
State, Current	4,337	4,012	3,555
Foreign, Current	52,300	50,655	54,785
Income taxes, Current	92,457	100,135	85,015
Federal, Deferred	7,071	7,391	8,556
State, Deferred	312	722	191
Foreign, Deferred	964	(1,769)	(6,790)
Income taxes, Deferred	8,347	6,344	1,957
Total	$ 100,804	$ 106,479	$ 86,972