Short-Term Borrowings and Long-Term Debt (Short-term Borrowings) (Details) - USD ($)	Jul. 31, 2023	Jul. 31, 2022
Short-term Debt
Short-term borrowings	$ 34,100,000	$ 3,700,000
Line of Credit
Short-term Debt
Available credit facilities	306,100,000	297,300,000
Short-term borrowings	81,700,000	49,800,000
Remaining borrowing capacity	$ 224,400,000	$ 247,500,000
Weighted average interest rate (as a percent)	4.69%	0.37%
Line of Credit | Outstanding borrowings
Short-term Debt
Short-term borrowings	$ 34,100,000	$ 3,700,000
Line of Credit | Other non-borrowing reductions
Short-term Debt
Short-term borrowings	47,600,000	46,100,000
U.S. Credit Facilities | Line of Credit
Short-term Debt
Available credit facilities	100,000,000.0	100,000,000.0
Short-term borrowings	9,800,000	0
Remaining borrowing capacity	$ 90,200,000	100,000,000.0
Weighted average interest rate (as a percent)	6.17%
U.S. Credit Facilities | Line of Credit | Outstanding borrowings
Short-term Debt
Short-term borrowings	$ 9,800,000	0
U.S. Credit Facilities | Line of Credit | Other non-borrowing reductions
Short-term Debt
Short-term borrowings	0	0
European | European Commercial Paper Program
Short-term Debt
Available credit facilities	110,300,000	102,100,000
Short-term borrowings	24,300,000	0
Remaining borrowing capacity	$ 86,000,000.0	102,100,000
Weighted average interest rate (as a percent)	4.09%
European | European Commercial Paper Program | Outstanding borrowings
Short-term Debt
Short-term borrowings	$ 24,300,000	0
European | European Commercial Paper Program | Other non-borrowing reductions
Short-term Debt
Short-term borrowings	0	0
European | Line of Credit
Short-term Debt
Available credit facilities	45,000,000.0	42,400,000
Short-term borrowings	28,800,000	27,000,000.0
Remaining borrowing capacity	16,200,000	15,400,000
European | Line of Credit | Outstanding borrowings
Short-term Debt
Short-term borrowings	0	0
European | Line of Credit | Other non-borrowing reductions
Short-term Debt
Short-term borrowings	28,800,000	27,000,000.0
Rest of the World Credit Facilities | Line of Credit
Short-term Debt
Available credit facilities	50,800,000	52,800,000
Short-term borrowings	18,800,000	22,800,000
Remaining borrowing capacity	32,000,000.0	$ 30,000,000.0
Weighted average interest rate (as a percent)		0.37%
Rest of the World Credit Facilities | Line of Credit | Outstanding borrowings
Short-term Debt
Short-term borrowings	0	$ 3,700,000
Rest of the World Credit Facilities | Line of Credit | Other non-borrowing reductions
Short-term Debt
Short-term borrowings	$ 18,800,000	$ 19,100,000