Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Significant Accounting Policies - Additional Information (Detail)

v3.22.2.2
Organization and Summary of Significant Accounting Policies - Additional Information (Detail)
 3 Months Ended 12 Months Ended
Jul. 31, 2022
USD ($)
Segment
Jul. 31, 2021
USD ($)
Apr. 30, 2022
USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items]      
Number of business segments | Segment 8    
Number of line of business | Segment 5    
Credit loss for available for sales debt securities $ 0 $ 0  
Impairment of long-lived assets 0 0  
Impairment of goodwill 0   $ 0
Impairment of intangible assets 0   $ 0
Performance-related bonus expenses $ 101,800,000 $ 96,000,000.0  
Minimum      
Organization And Summary Of Significant Accounting Policies [Line Items]      
Intangible assets estimated useful lives 1 year    
Amortization of long-term retention awards 4 years    
Maximum      
Organization And Summary Of Significant Accounting Policies [Line Items]      
Intangible assets estimated useful lives 24 years    
Amortization of long-term retention awards 5 years    
Mexican Subsidiary      
Organization And Summary Of Significant Accounting Policies [Line Items]      
Percentage of Noncontrolling interest in subsidiary 51.00%