Short-Term Borrowings and Long-Term Debt (Long-term Debt) (Details)	Jul. 31, 2023 USD ($)	Jul. 31, 2023 EUR (€)	Jul. 31, 2023 JPY (¥)	Jul. 31, 2022 USD ($)
Debt Instrument
Debt issuance costs, net	$ (1,800,000)			$ (2,400,000)
Subtotal	621,600,000			644,300,000
Less current maturities	(125,000,000.0)			0
Long-term debt	496,600,000			$ 644,300,000
3.72% Fixed Rate Unsecured Senior Notes Maturing 2024 | Unsecured Notes
Debt Instrument
Amount	$ 125,000,000
Debt instrument interest rate (as a percent)	3.72%	3.72%	3.72%	3.72%
Long-term debt, gross	$ 125,000,000.0			$ 125,000,000.0
3.18% Fixed Rate Unsecured Senior Notes Maturing 2030 | Unsecured Notes
Debt Instrument
Amount	$ 125,000,000
Debt instrument interest rate (as a percent)	3.18%	3.18%	3.18%	3.18%
Long-term debt, gross	$ 125,000,000.0			$ 125,000,000.0
2.50% Fixed Rate Unsecured Senior Notes Maturing 2031 | Unsecured Notes
Debt Instrument
Amount	$ 100,000,000
Debt instrument interest rate (as a percent)	2.50%	2.50%	2.50%	2.50%
Long-term debt, gross	$ 100,000,000.0			$ 100,000,000.0
1.29 % Variable Rate Unsecured Credit Facility Maturing 2026 | Unsecured Notes | Unsecured Revolving Credit Facility
Debt Instrument
Amount	$ 500,000,000.0
Debt instrument interest rate (as a percent)	5.09%	5.09%	5.09%	2.88%
Long-term debt, gross	$ 96,200,000			$ 125,000,000.0
.70% Variable Rate Unsecured Senior Notes Maturing 2024 | Unsecured Notes
Debt Instrument
Amount | €		€ 80,000,000
Debt instrument interest rate (as a percent)	4.41%	4.41%	4.41%	0.91%
Long-term debt, gross	$ 88,200,000			$ 81,700,000
2.12% Fixed Rate Unsecured Senior Notes Maturing 2028 | Unsecured Notes
Debt Instrument
Amount	$ 50,000,000
Debt instrument interest rate (as a percent)	2.12%	2.12%	2.12%	2.12%
Long-term debt, gross	$ 50,000,000.0			$ 50,000,000.0
2.93% Fixed Rate Unsecured Senior Notes Maturing 2025 | Unsecured Notes
Debt Instrument
Amount	$ 25,000,000
Debt instrument interest rate (as a percent)	2.93%	2.93%	2.93%	2.93%
Long-term debt, gross	$ 25,000,000.0			$ 25,000,000.0
.42% Variable Rate Unsecured Term Loan Maturing 2024 | Unsecured Notes
Debt Instrument
Amount | ¥			¥ 1,000,000,000
Debt instrument interest rate (as a percent)	0.57%	0.57%	0.57%	0.41%
Long-term debt, gross	$ 7,000,000.0			$ 7,500,000
.47% Variable Rate Unsecured Term Loan 2026 | Unsecured Notes
Debt Instrument
Amount | ¥			¥ 1,000,000,000
Debt instrument interest rate (as a percent)	0.49%	0.49%	0.49%	0.49%
Long-term debt, gross	$ 7,000,000.0			$ 7,500,000