Employee Benefit Plans (Changes In Fair Value Of Assets Held By Non-U.S. Pension Plans' Level 3 Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2013
Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	$ 93,300	$ 102,300	$ 105,800
Unrealized gains	(3,300)	(300)	6,700
Realized gains	8,500	12,100	2,400
Purchases	2,600	24,700	3,100
Sales	(13,900)	(45,500)	(15,700)
Ending balance	87,200	93,300	102,300
International Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	153,600	135,500
Ending balance	157,200	153,600	135,500
International Assets [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	30,500	26,300
Ending balance	28,200	30,500	26,300
International Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	99,800	88,200
Ending balance	93,100	99,800	88,200
International Assets [Member] | Fair Value Inputs Level2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	23,300	21,000
Ending balance	35,900	23,300	21,000
Change In Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	489,870	452,724
Foreign currency exchange	(17,454)	9,912
Ending balance	478,479	489,870	452,724
U S Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	336,200	317,200
Ending balance	321,300	336,200	317,200
U S Assets [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	93,300	102,300
Ending balance	87,200	93,300	102,300
U S Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	155,600	143,900
Ending balance	85,400	155,600	143,900
U S Assets [Member] | Fair Value Inputs Level2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	87,300	71,000
Ending balance	148,700	87,300	71,000
Fixed Income Securities [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	58,700	60,800	55,000
Unrealized gains	(3,700)	(2,000)	6,400
Realized gains	5,100	8,900	700
Purchases		20,000
Sales	(5,400)	(29,000)	(1,300)
Ending balance	54,700	58,700	60,800
Fixed Income Securities [Member] | International Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	28,100	63,800
Ending balance	40,100	28,100	63,800
Fixed Income Securities [Member] | International Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	4,800	63,800
Ending balance	4,200	4,800	63,800
Fixed Income Securities [Member] | International Assets [Member] | Fair Value Inputs Level2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	23,300
Ending balance	35,900	23,300
Fixed Income Securities [Member] | U S Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	85,700	124,500
Ending balance	119,700	85,700	124,500
Fixed Income Securities [Member] | U S Assets [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	58,700	60,800
Ending balance	54,700	58,700	60,800
Fixed Income Securities [Member] | U S Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	27,000	42,900
Ending balance	900	27,000	42,900
Fixed Income Securities [Member] | U S Assets [Member] | Fair Value Inputs Level2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance		20,800
Ending balance	64,100		20,800
Equity Fixed Income [Member] | International Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	48,500	27,900
Ending balance	45,400	48,500	27,900
Equity Fixed Income [Member] | International Assets [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	30,500	26,300	21,800
Unrealized gains	1,300	4,300	1,100
Realized gains		100
Foreign currency exchange	(5,500)	100	1,700
Purchases	2,700	3,100	2,600
Sales	(800)	(3,400)	(900)
Ending balance	28,200	30,500	26,300
Equity Fixed Income [Member] | International Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	18,000	6,900
Ending balance	17,200	18,000	6,900
Equity Fixed Income [Member] | International Assets [Member] | Fair Value Inputs Level2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance		21,000
Ending balance			21,000
Real Estate [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	13,500	22,100	31,400
Unrealized gains	700		1,100
Realized gains	600	800
Purchases	800	2,700	1,000
Sales	(2,600)	(12,100)	(11,400)
Ending balance	13,000	13,500	22,100
Real Estate [Member] | International Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance		43,200
Ending balance			43,200
Real Estate [Member] | International Assets [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance		26,300
Ending balance			26,300
Real Estate [Member] | International Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance		16,900
Ending balance			16,900
Real Estate [Member] | U S Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	20,600	22,100
Ending balance	19,000	20,600	22,100
Real Estate [Member] | U S Assets [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	13,500	22,100
Ending balance	13,000	13,500	22,100
Real Estate [Member] | U S Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	7,100
Ending balance	6,000	7,100
Equity Securities [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	21,100	19,400	19,400
Unrealized gains	(300)	1,700	(800)
Realized gains	2,800	2,400	1,700
Purchases	1,800	2,000	2,100
Sales	(5,900)	(4,400)	(3,000)
Ending balance	19,500	21,100	19,400
Equity Securities [Member] | International Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	71,300	600
Ending balance	71,700	71,300	600
Equity Securities [Member] | International Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	71,300	600
Ending balance	71,700	71,300	600
Equity Securities [Member] | U S Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	215,700	152,100
Ending balance	180,700	215,700	152,100
Equity Securities [Member] | U S Assets [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	21,100	19,400
Ending balance	19,500	21,100	19,400
Equity Securities [Member] | U S Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	107,300	82,500
Ending balance	76,600	107,300	82,500
Equity Securities [Member] | U S Assets [Member] | Fair Value Inputs Level2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	87,300	50,200
Ending balance	84,600	87,300	50,200
Cash And Cash Equivalents [Member] | International Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	5,700
Ending balance		5,700
Cash And Cash Equivalents [Member] | International Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	5,700
Ending balance		5,700
Cash And Cash Equivalents [Member] | U S Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	14,200	18,500
Ending balance	1,900	14,200	18,500
Cash And Cash Equivalents [Member] | U S Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	14,200	18,500
Ending balance	$ 1,900	$ 14,200	$ 18,500