Employee Benefit Plans (Changes In Fair Value Of Assets Held By Non-U.S. Pension Plans' Level 3 Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2014
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Unrealized gains	$ (179.6)	$ (135.4)
Realized gains	(44.3)	8.1	$ (7.2)
Fair Value, Inputs, Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	87.2	93.3	102.3
Unrealized gains	(6.2)	(3.3)	(0.3)
Realized gains	3.7	8.5	12.1
Purchases	0.7	2.6	24.7
Sales	(13.1)	(13.9)	(45.5)
Ending balance	72.3	87.2	93.3
International Assets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	157.2	153.6
Ending balance	158.6	157.2	153.6
International Assets | Fair Value, Inputs, Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	93.1	99.8
Ending balance	91.0	93.1	99.8
International Assets | Fair Value, Inputs, Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	35.9	23.3
Ending balance	35.8	35.9	23.3
International Assets | Fair Value, Inputs, Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	28.2	30.5
Ending balance	31.8	28.2	30.5
Change In Plan Assets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	478.5	489.9
Foreign currency exchange	(17.9)	(17.5)
Ending balance	455.5	478.5	489.9
U S Assets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	321.3	336.2
Ending balance	296.9	321.3	336.2
U S Assets | Fair Value, Inputs, Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	85.4	155.6
Ending balance	141.5	85.4	155.6
U S Assets | Fair Value, Inputs, Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	148.7	87.3
Ending balance	83.1	148.7	87.3
U S Assets | Fair Value, Inputs, Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	87.2	93.3
Ending balance	72.3	87.2	93.3
Fixed Income Securities | Fair Value, Inputs, Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	54.7	58.7	60.8
Unrealized gains	(2.5)	(3.7)	(2.0)
Realized gains	0.8	5.1	8.9
Purchases	0.0	0.0	20.0
Sales	(5.7)	(5.4)	(29.0)
Ending balance	47.3	54.7	58.7
Fixed Income Securities | International Assets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	40.1	28.1
Ending balance	40.4	40.1	28.1
Fixed Income Securities | International Assets | Fair Value, Inputs, Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	4.2	4.8
Ending balance	4.6	4.2	4.8
Fixed Income Securities | International Assets | Fair Value, Inputs, Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	35.9	23.3
Ending balance	35.8	35.9	23.3
Fixed Income Securities | International Assets | Fair Value, Inputs, Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	0.0	0.0
Ending balance	0.0	0.0	0.0
Fixed Income Securities | U S Assets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	119.7	85.7
Ending balance	119.5	119.7	85.7
Fixed Income Securities | U S Assets | Fair Value, Inputs, Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	0.9	27.0
Ending balance	72.2	0.9	27.0
Fixed Income Securities | U S Assets | Fair Value, Inputs, Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	64.1	0.0
Ending balance	0.0	64.1	0.0
Fixed Income Securities | U S Assets | Fair Value, Inputs, Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	54.7	58.7
Ending balance	47.3	54.7	58.7
Equity Fixed Income | International Assets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	45.4	48.5
Ending balance	48.5	45.4	48.5
Equity Fixed Income | International Assets | Fair Value, Inputs, Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	17.2	18.0
Ending balance	16.7	17.2	18.0
Equity Fixed Income | International Assets | Fair Value, Inputs, Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	0.0	0.0
Ending balance	0.0	0.0	0.0
Equity Fixed Income | International Assets | Fair Value, Inputs, Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	28.2	30.5	26.3
Unrealized gains	2.7	1.3	4.3
Realized gains	0.0	0.0	0.1
Foreign currency exchange	0.3	(5.5)	0.1
Purchases	2.7	2.7	3.1
Sales	(2.1)	(0.8)	(3.4)
Ending balance	31.8	28.2	30.5
Real Estate | Fair Value, Inputs, Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	13.0	13.5	22.1
Unrealized gains	(2.4)	0.7	0.0
Realized gains	0.4	0.6	0.8
Purchases	0.1	0.8	2.7
Sales	(3.2)	(2.6)	(12.1)
Ending balance	7.9	13.0	13.5
Real Estate | U S Assets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	19.0	20.6
Ending balance	13.8	19.0	20.6
Real Estate | U S Assets | Fair Value, Inputs, Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	6.0	7.1
Ending balance	5.9	6.0	7.1
Real Estate | U S Assets | Fair Value, Inputs, Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	0.0	0.0
Ending balance	0.0	0.0	0.0
Real Estate | U S Assets | Fair Value, Inputs, Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	13.0	13.5
Ending balance	7.9	13.0	13.5
Equity Securities | Fair Value, Inputs, Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	19.5	21.1	19.4
Unrealized gains	(1.3)	(0.3)	1.7
Realized gains	2.5	2.8	2.4
Purchases	0.6	1.8	2.0
Sales	(4.2)	(5.9)	(4.4)
Ending balance	17.1	19.5	21.1
Equity Securities | International Assets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	71.7	71.3
Ending balance	69.2	71.7	71.3
Equity Securities | International Assets | Fair Value, Inputs, Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	71.7	71.3
Ending balance	69.2	71.7	71.3
Equity Securities | International Assets | Fair Value, Inputs, Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	0.0	0.0
Ending balance	0.0	0.0	0.0
Equity Securities | International Assets | Fair Value, Inputs, Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	0.0	0.0
Ending balance	0.0	0.0	0.0
Equity Securities | U S Assets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	180.7	215.7
Ending balance	162.4	180.7	215.7
Equity Securities | U S Assets | Fair Value, Inputs, Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	76.6	107.3
Ending balance	62.2	76.6	107.3
Equity Securities | U S Assets | Fair Value, Inputs, Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	84.6	87.3
Ending balance	83.1	84.6	87.3
Equity Securities | U S Assets | Fair Value, Inputs, Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	19.5	21.1
Ending balance	17.1	19.5	21.1
Cash and Cash Equivalents | International Assets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance		5.7
Ending balance	0.5		5.7
Cash and Cash Equivalents | International Assets | Fair Value, Inputs, Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance		5.7
Ending balance	0.5		5.7
Cash and Cash Equivalents | International Assets | Fair Value, Inputs, Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance		0.0
Ending balance	0.0		0.0
Cash and Cash Equivalents | International Assets | Fair Value, Inputs, Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance		0.0
Ending balance	0.0		0.0
Cash and Cash Equivalents | U S Assets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	1.9	14.2
Ending balance	1.2	1.9	14.2
Cash and Cash Equivalents | U S Assets | Fair Value, Inputs, Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	1.9	14.2
Ending balance	1.2	1.9	14.2
Cash and Cash Equivalents | U S Assets | Fair Value, Inputs, Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	0.0	0.0
Ending balance	0.0	0.0	0.0
Cash and Cash Equivalents | U S Assets | Fair Value, Inputs, Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	0.0	0.0
Ending balance	$ 0.0	$ 0.0	$ 0.0