Employee Benefit Plans (Obligations and Funded Status of Company's Pension Plans) (Details) - Pension Plan - USD ($) $ in Millions	12 Months Ended
Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020
Change in projected benefit obligation
Projected benefit obligation, beginning of year	$ 579.9	$ 585.6
Service cost	6.9	7.5	$ 9.5
Interest cost	10.6	10.2	13.5
Participant contributions	0.7	0.8
Actuarial gain	(100.3)	(5.7)
Foreign currency exchange rates	(25.4)	8.4
Settlements paid	(12.9)	(10.7)
Benefits paid	(16.9)	(16.2)
Projected benefit obligation, end of year	442.6	579.9	585.6
Change in fair value of plan assets
Fair value of plan assets, beginning of year	591.3	550.6
Actual return on plan assets	(80.7)	55.6
Company contributions	2.3	3.1
Participant contributions	0.7	0.8
Foreign currency exchange rates	(24.0)	8.1
Settlements paid	(12.9)	(10.7)
Benefits paid	(16.9)	(16.2)
Fair value of plan assets, end of year	459.8	591.3	$ 550.6
Defined Benefit Plan, Funded (Unfunded) Status of Plan
Funded status of plans, end of year	17.2	11.4
Amounts recognized on the Consolidated Balance Sheets
Other long-term assets	38.3	37.5
Other current liabilities	(1.8)	(1.3)
Other long-term liabilities	(19.3)	(24.8)
Net recognized asset	$ 17.2	$ 11.4

Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses.

Name:	us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.