Employee Benefit Plans (Fair Value of Assets Held) (Details) - Pension Plan - USD ($) $ in Millions	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2019
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	$ 459.8	$ 591.3	$ 550.6
U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	409.1	517.8
Assets including NAV assets	459.8	591.3
Level 1 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	257.2	320.7
Level 2 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	116.5	159.4
Level 3
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	35.4	37.7	$ 35.4	$ 30.8
Level 3 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	35.4	37.7
Investments using NAV as practical expedient | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets		73.5
Cash and cash equivalents | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	7.4	3.2
Cash and cash equivalents | Level 1 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	6.6	2.2
Cash and cash equivalents | Level 2 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	0.8	1.0
Cash and cash equivalents | Level 3 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	0.0	0.0
Global equity securities | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	136.5	184.1
Global equity securities | Level 1 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	136.5	184.1
Global equity securities | Level 2 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	0.0	0.0
Global equity securities | Level 3 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	0.0	0.0
Fixed income securities | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	229.8	292.8
Fixed income securities | Level 1 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	114.1	134.4
Fixed income securities | Level 2 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	115.7	158.4
Fixed income securities | Level 3 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	0.0	0.0
Insurance contracts | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	35.4	37.7
Insurance contracts | Level 1 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	0.0	0.0
Insurance contracts | Level 2 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	0.0	0.0
Insurance contracts | Level 3 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	$ 35.4	$ 37.7