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Derivatives and Hedging Activities - Fair Values of Derivative Instruments in Consolidated Balance Sheets (Detail) - USD ($)
$ in Thousands
Apr. 30, 2023
Jul. 31, 2022
Prepaid expenses and other current assets [Member]    
Derivatives, Fair Value [Line Items]    
Asset Derivatives $ 1,135 $ 489
Other current liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Liability Derivatives 66 32
Long-term Debt [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Noncurrent (37,849)  
Designated as Hedging Instrument [Member] | Prepaid expenses and other current assets [Member]    
Derivatives, Fair Value [Line Items]    
Asset Derivatives 1,131 489
Designated as Hedging Instrument [Member] | Other current liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Liability Derivatives 66 30
Designated as Hedging Instrument [Member] | Long-term Debt [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Noncurrent (37,849)  
Not designated as hedging Instruments [Member] | Prepaid expenses and other current assets [Member]    
Derivatives, Fair Value [Line Items]    
Asset Derivatives 4 0
Not designated as hedging Instruments [Member] | Other current liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Liability Derivatives $ 0 $ 2