Employee Benefit Plans (Changes In Fair Value Of U.S. Pension Plans' Level 3 Assets) (Details) (Significant Unobservable Inputs (Level 3) [Member], USD $)	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	$ 102,300,000	$ 105,800,000	$ 87,300,000
Unrealized gains	(300,000)	6,700,000	(1,400,000)
Realized gains	12,100,000	2,400,000	1,900,000
Purchases	24,700,000	3,100,000	20,800,000
Sales	(45,500,000)	(15,700,000)	(2,800,000)
Ending balance	93,300,000	102,300,000	105,800,000
Global Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	19,400,000	19,400,000	17,900,000
Unrealized gains	1,700,000	(800,000)	100,000
Realized gains	2,400,000	1,700,000	1,500,000
Purchases	2,000,000	2,100,000	1,000,000
Sales	(4,400,000)	(3,000,000)	(1,100,000)
Ending balance	21,100,000	19,400,000	19,400,000
Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	60,800,000	55,000,000	31,400,000
Unrealized gains	(2,000,000)	6,400,000	600,000
Realized gains	8,900,000	700,000	400,000
Purchases	20,000,000		17,000,000
Sales	(29,000,000)	(1,300,000)	(1,700,000)
Net transfers into (out of) level 3			7,300,000
Ending balance	58,700,000	60,800,000	55,000,000
Real Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	22,100,000	31,400,000	38,000,000
Unrealized gains		1,100,000	(2,100,000)
Realized gains	800,000
Purchases	2,700,000	1,000,000	2,800,000
Sales	(12,100,000)	(11,400,000)
Net transfers into (out of) level 3			(7,300,000)
Ending balance	$ 13,500,000	$ 22,100,000	$ 31,400,000