Derivatives and Hedging Activities - Fair Values of Derivative Instruments in Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Apr. 30, 2025	Jul. 31, 2024
Prepaid expenses and other current assets [Member]
Derivatives, Fair Value
Derivative Assets	$ 50	$ 137
Other current liabilities [Member]
Derivatives, Fair Value
Derivative Liability, Current	$ 407	$ 730
Foreign Line of Credit
Derivatives, Fair Value
Derivative Liability, Noncurrent	Long-term debt	Long-term debt
Designated as Hedging Instrument | Prepaid expenses and other current assets [Member]
Derivatives, Fair Value
Derivative Assets	$ 50	$ 137
Designated as Hedging Instrument | Other current liabilities [Member]
Derivatives, Fair Value
Derivative Liability, Current	$ 406	$ 726
Designated as Hedging Instrument | Foreign Line of Credit | Net Investment Hedging
Derivatives, Fair Value
Derivative Liability, Noncurrent	Long-term debt	Long-term debt
Not Designated as Hedging Instrument | Prepaid expenses and other current assets [Member]
Derivatives, Fair Value
Derivative Assets	$ 0	$ 0
Not Designated as Hedging Instrument | Other current liabilities [Member]
Derivatives, Fair Value
Derivative Liability, Current	$ 1	$ 4