Employee Benefit Plans (Components of Net Periodic Pension Costs) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2022
Net periodic pension costs
Service cost	$ 5.2	$ 6.7	$ 6.9
Interest cost	20.4	17.0	10.6
Expected return on assets	(25.7)	(25.3)	(24.8)
Prior service cost amortization	0.1	0.0	0.2
Actuarial loss amortization	1.5	2.1	6.9
Settlement loss	4.9	5.5	3.0
Curtailment loss	0.2	0.2	0.0
Net periodic pension costs	$ 6.6	$ 6.2	$ 2.8
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Curtailment Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Other changes recognized in other comprehensive (loss) income:
Prior service cost	$ 0.1	$ (0.4)	$ 0.0
Net actuarial (loss) gain	(9.1)	(5.9)	(1.3)
Amortization of prior service cost	0.3	0.2	0.3
Amortization of net actuarial loss	6.4	7.7	9.9
Total recognized in other comprehensive (loss) income	(2.3)	1.6	8.9
Total recognized in net periodic pension costs and other comprehensive (loss) income	$ (8.9)	$ (4.6)	$ 6.1