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
Statement of Comprehensive Income [Abstract]
Net earnings	$ 88,691	$ 73,065	$ 243,870	$ 489,307
Other comprehensive income/(loss), net of income taxes:
Foreign currency translation	25,041	(33,127)	46,330	8,195
Pension liability adjustment	619	4,199	(46)	8,762
Unrealized investment gains/(losses)	(224)	(208)	(598)	(145)
Unrealized gains/(losses) on derivatives	(172)	1,548	5,409	(2,229)
Total other comprehensive income/(loss), net of income taxes	25,264	(27,588)	51,095	14,583
Comprehensive income	$ 113,955	$ 45,477	$ 294,965	$ 503,890