Condensed Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
Condensed Consolidated Statements Of Comprehensive Income [Abstract]
Net earnings	$ 67,336	$ 69,842	$ 187,268	$ 174,768
Foreign currency translation gain (loss)	21,291	(13,563)	16,183	29,401
Net gain on hedging derivatives, net of deferred taxes of ($72), ($72), ($33) and ($269), respectively	117	13	53	144
Pension and postretirement liability adjustment, net of deferred taxes of $4,691, $7,682, $9,063 and $14,963, respectively	8,607	16,214	15,877	31,417
Total comprehensive income	$ 97,351	$ 72,506	$ 219,381	$ 235,730