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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details)
$ in Thousands
 12 Months Ended
Jul. 31, 2025
USD ($)
segment
dealership
Jul. 31, 2024
USD ($)
Jul. 31, 2023
USD ($)
Summary Of Significant Accounting Policies [Line Items]      
Number of reportable segments | segment 3    
Cash and cash equivalents $ 586,596 $ 501,316  
Depreciation expense $ 152,180 144,601 $ 136,120
Number of dealerships owned | dealership 2    
Advertising costs $ 78,352 77,029 66,169
Maximum amount of tax benefits realized upon ultimate settlement (as percent) 50.00%    
Stock-based compensation, requisite service period (in years) 3 years    
Selling, General and Administrative Expenses | Continuing Operations      
Summary Of Significant Accounting Policies [Line Items]      
Depreciation expense $ 25,420 24,240 26,999
Research and Development Expense      
Summary Of Significant Accounting Policies [Line Items]      
Research and development costs $ 48,584 49,380 $ 36,592
Rental Vehicles      
Summary Of Significant Accounting Policies [Line Items]      
Property, plant and equipment, estimated useful life (in years) 6 years    
Minimum | Trademarks      
Summary Of Significant Accounting Policies [Line Items]      
Long-lived and intangible assets, useful life (in years) 15 years    
Minimum | Dealer Network      
Summary Of Significant Accounting Policies [Line Items]      
Long-lived and intangible assets, useful life (in years) 12 years    
Minimum | Non-compete Agreements      
Summary Of Significant Accounting Policies [Line Items]      
Long-lived and intangible assets, useful life (in years) 2 years    
Minimum | Design Technology      
Summary Of Significant Accounting Policies [Line Items]      
Long-lived and intangible assets, useful life (in years) 2 years    
Minimum | Building and Improvements      
Summary Of Significant Accounting Policies [Line Items]      
Property, plant and equipment, estimated useful life (in years) 10 years    
Minimum | Machinery and Equipment      
Summary Of Significant Accounting Policies [Line Items]      
Property, plant and equipment, estimated useful life (in years) 3 years    
Maximum | Trademarks      
Summary Of Significant Accounting Policies [Line Items]      
Long-lived and intangible assets, useful life (in years) 25 years    
Maximum | Dealer Network      
Summary Of Significant Accounting Policies [Line Items]      
Long-lived and intangible assets, useful life (in years) 20 years    
Maximum | Non-compete Agreements      
Summary Of Significant Accounting Policies [Line Items]      
Long-lived and intangible assets, useful life (in years) 15 years    
Maximum | Design Technology      
Summary Of Significant Accounting Policies [Line Items]      
Long-lived and intangible assets, useful life (in years) 15 years    
Maximum | Building and Improvements      
Summary Of Significant Accounting Policies [Line Items]      
Property, plant and equipment, estimated useful life (in years) 39 years    
Maximum | Machinery and Equipment      
Summary Of Significant Accounting Policies [Line Items]      
Property, plant and equipment, estimated useful life (in years) 10 years    
Held By One U.S. Financial Institution      
Summary Of Significant Accounting Policies [Line Items]      
Cash and cash equivalents $ 329,358 318,918  
Euro Financial Institutions One      
Summary Of Significant Accounting Policies [Line Items]      
Cash and cash equivalents $ 121,092 $ 90,816