Employee Benefit Plans (Fair Value of Assets Held) (Details) - Pension Plan - USD ($) $ in Millions	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	$ 416.0	$ 459.8	$ 591.3
U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	369.8	409.1
Assets including NAV assets	416.0	459.8
Level 1 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	154.9	257.2
Level 2 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	173.6	116.5
Level 3
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	41.3	35.4	$ 37.7	$ 35.4
Level 3 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	41.3	35.4
Investments using NAV as practical expedient | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets		50.7
Cash and cash equivalents | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	4.3	7.4
Cash and cash equivalents | Level 1 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	3.6	6.6
Cash and cash equivalents | Level 2 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	0.7	0.8
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	116.9	136.5
Global equity securities | Level 1 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	61.2	136.5
Global equity securities | Level 2 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	55.7	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	207.3	229.8
Fixed income securities | Level 1 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	90.1	114.1
Fixed income securities | Level 2 | U.S. Plan
Defined Benefit Plan Disclosure
Defined benefit plan, fair value of plan assets	117.2	115.7
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	41.3	35.4
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	$ 41.3	$ 35.4