Employee Benefit Plans (Fair Value Of Assets Held By Non-U.S. Pension Plans) (Details) - USD ($) $ in Thousands	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2012
Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	$ 87,200	$ 93,300	$ 102,300	$ 105,800
U S Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	321,300	336,200	317,200
U S Assets [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	87,200	93,300	102,300
U S Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	85,400	155,600	143,900
U S Assets [Member] | Fair Value Inputs Level2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	148,700	87,300	71,000
International Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	157,200	153,600	135,500
International Assets [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	28,200	30,500	26,300
International Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	93,100	99,800	88,200
International Assets [Member] | Fair Value Inputs Level2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	35,900	23,300	21,000
Change In Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	478,479	489,870	452,724
Real Estate [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	13,000	13,500	22,100	31,400
Real Estate [Member] | U S Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	19,000	20,600	22,100
Real Estate [Member] | U S Assets [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	13,000	13,500	22,100
Real Estate [Member] | U S Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	6,000	7,100
Real Estate [Member] | International Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets			43,200
Real Estate [Member] | International Assets [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets			26,300
Real Estate [Member] | International Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets			16,900
Fixed Income Securities [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	54,700	58,700	60,800	55,000
Fixed Income Securities [Member] | U S Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	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]
Defined benefit plan, fair value of plan assets	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]
Defined benefit plan, fair value of plan assets	900	27,000	42,900
Fixed Income Securities [Member] | U S Assets [Member] | Fair Value Inputs Level2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	64,100		20,800
Fixed Income Securities [Member] | International Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	40,100	28,100	63,800
Fixed Income Securities [Member] | International Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	4,200	4,800	63,800
Fixed Income Securities [Member] | International Assets [Member] | Fair Value Inputs Level2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	35,900	23,300
Equity Securities [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	19,500	21,100	19,400	19,400
Equity Securities [Member] | U S Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	180,700	215,700	152,100
Equity Securities [Member] | U S Assets [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	19,500	21,100	19,400
Equity Securities [Member] | U S Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	76,600	107,300	82,500
Equity Securities [Member] | U S Assets [Member] | Fair Value Inputs Level2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	84,600	87,300	50,200
Equity Securities [Member] | International Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	71,700	71,300	600
Equity Securities [Member] | International Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	71,700	71,300	600
Cash And Cash Equivalents [Member] | U S Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	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]
Defined benefit plan, fair value of plan assets	1,900	14,200	18,500
Cash And Cash Equivalents [Member] | International Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets		5,700
Cash And Cash Equivalents [Member] | International Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets		5,700
Equity Fixed Income [Member] | International Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	45,400	48,500	27,900
Equity Fixed Income [Member] | International Assets [Member] | Fair Value Inputs Level3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	28,200	30,500	26,300	$ 21,800
Equity Fixed Income [Member] | International Assets [Member] | Fair Value Inputs Level1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	$ 17,200	$ 18,000	6,900
Equity Fixed Income [Member] | International Assets [Member] | Fair Value Inputs Level2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets			$ 21,000