Shareholders' Equity (Schedule Of Total Accumulated Other Comprehensive Income (Loss) And Its Components) (Details) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012	Jul. 31, 2012
Shareholders' Equity [Abstract]
Foreign currency translation adjustment	$ 58,828	$ 32,976
Net loss on cash flow hedging derivatives, net of deferred taxes	(585)	(292)
Pension and postretirement liability, net of deferred taxes	(126,977)	(134,572)
Total accumulated other comprehensive loss	$ (68,734)	$ (101,888)