Employee Benefit Plans (Obligations and Funded Status of Company's Pension Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Change in projected benefit obligation
Service cost	$ 6.7	$ 6.9	$ 7.5
Interest cost	17.0	10.6	10.2
Actuarial gain	2.1	6.9	8.2
Pension Plan
Change in projected benefit obligation
Projected benefit obligation, beginning of year	442.6	579.9
Service cost	6.7	6.9
Interest cost	17.0	10.6
Plan amendments	0.2	0.0
Participant contributions	0.7	0.7
Actuarial gain	(42.0)	(100.3)
Foreign currency exchange rates	9.2	(25.4)
Settlements paid	(17.0)	(12.9)
Acquisition	1.2	0.0
Benefits paid	(17.5)	(16.9)
Projected benefit obligation, end of year	401.1	442.6	579.9
Change in fair value of plan assets
Fair value of plan assets, beginning of year	459.8	591.3
Actual return on plan assets	(22.1)	(80.7)
Company contributions	2.6	2.3
Participant contributions	0.7	0.7
Foreign currency exchange rates	8.3	(24.0)
Settlements paid	(17.0)	(12.9)
Acquisition	1.2	0.0
Benefits paid	(17.5)	(16.9)
Fair value of plan assets, end of year	416.0	459.8	$ 591.3
Defined Benefit Plan, Funded (Unfunded) Status of Plan
Funded status of plans, end of year	14.9	17.2
Amounts recognized on the Consolidated Balance Sheets
Other long-term assets	34.7	38.3
Other current liabilities	(1.7)	(1.8)
Other long-term liabilities	(18.1)	(19.3)
Net recognized asset	$ 14.9	$ 17.2