Condensed Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2014	Jan. 31, 2013
Condensed Consolidated Statements Of Comprehensive Income [Abstract]
Net earnings	$ 58,340	$ 50,813	$ 119,932	$ 104,926
Foreign currency translation gain (loss)	(18,302)	17,112	(5,108)	42,964
Net gain (loss) on hedging derivatives, net of deferred taxes of ($61), ($307), $39 and ($198), respectively	108	424	(64)	131
Pension and postretirement liability adjustment, net of deferred taxes of $2,585, $2,943, $4,372 and $7,281, respectively	4,044	7,608	7,270	15,203
Total comprehensive income	$ 44,190	$ 75,957	$ 122,030	$ 163,224