Employee Benefit Plans (Fair Value Of Assets Held By Non-U.S. Pension Plans) (Details) - Pension Plan - USD ($) $ in Millions	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	$ 486.3	$ 465.1	$ 455.5
Non - U.S. Plan
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	155.4	161.1
Non - U.S. Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	90.7	92.5
Non - U.S. Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	36.1	34.3
Non - U.S. Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	28.6	34.3	$ 31.8	$ 28.2
Cash and cash equivalents | Non - U.S. Plan
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0.6	0.9
Cash and cash equivalents | Non - U.S. Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0.6	0.9
Cash and cash equivalents | Non - U.S. Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0.0	0.0
Cash and cash equivalents | Non - U.S. Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0.0	0.0
Global equity securities | Non - U.S. Plan
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	78.8	79.7
Global equity securities | Non - U.S. Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	78.8	79.7
Global equity securities | Non - U.S. Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0.0	0.0
Global equity securities | Non - U.S. Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0.0	0.0
Private equity and other funds | Non - U.S. Plan
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	11.3	11.9
Private equity and other funds | Non - U.S. Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	11.3	11.9
Private equity and other funds | Non - U.S. Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0.0	0.0
Private equity and other funds | Non - U.S. Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0.0	0.0
Investment funds | Non - U.S. Plan
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	36.1	34.3
Investment funds | Non - U.S. Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0.0	0.0
Investment funds | Non - U.S. Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	36.1	34.3
Investment funds | Non - U.S. Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0.0	0.0
Insurance contracts | Non - U.S. Plan
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	28.6	34.3
Insurance contracts | Non - U.S. Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0.0	0.0
Insurance contracts | Non - U.S. Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0.0	0.0
Insurance contracts | Non - U.S. Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	$ 28.6	$ 34.3