Summary Of Significant Accounting Policies (Components Of Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2011
Summary Of Significant Accounting Policies [Abstract]
Foreign currency translation adjustment	$ 50,411	$ 32,976	$ 131,699
Net gain (loss) on cash flow hedging derivatives, net of deferred taxes	(172)	(292)	380
Pension and postretirement liability adjustment, net of deferred taxes	(87,712)	(134,572)	(92,052)
Total accumulated other comprehensive income (loss)	$ (37,473)	$ (101,888)	$ 40,027