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, 2013	Jul. 31, 2012	Jul. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	$ 105,800,000	$ 87,300,000	$ 66,600,000
Unrealized gains	6,700,000	(1,400,000)	7,000,000
Realized gains	2,400,000	1,900,000	1,000,000
Purchases	3,100,000	20,800,000	32,700,000
Sales	(15,700,000)	(2,800,000)	(20,000,000)
Ending balance	102,300,000	105,800,000	87,300,000
Global Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	19,400,000	17,900,000	17,300,000
Unrealized gains	(800,000)	100,000	1,500,000
Realized gains	1,700,000	1,500,000	1,000,000
Purchases	2,100,000	1,000,000	2,300,000
Sales	(3,000,000)	(1,100,000)	(4,200,000)
Ending balance	19,400,000	19,400,000	17,900,000
Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	55,000,000	31,400,000	33,100,000
Unrealized gains	6,400,000	600,000	2,100,000
Realized gains	700,000	400,000
Purchases		17,000,000
Sales	(1,300,000)	(1,700,000)	(3,800,000)
Net transfers into (out of) level 3		7,300,000
Ending balance	60,800,000	55,000,000	31,400,000
Real Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	31,400,000	38,000,000	16,200,000
Unrealized gains	1,100,000	(2,100,000)	3,400,000
Purchases	1,000,000	2,800,000	30,400,000
Sales	(11,400,000)		(12,000,000)
Net transfers into (out of) level 3		(7,300,000)
Ending balance	$ 22,100,000	$ 31,400,000	$ 38,000,000