SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) $ in Thousands	12 Months Ended
	Jul. 31, 2024 USD ($) segment dealership shares	Jul. 31, 2023 USD ($) shares	Jul. 31, 2022 USD ($) shares
Summary Of Significant Accounting Policies [Line Items]
Number of reportable segments | segment	3
Cash and cash equivalents	$ 501,316	$ 441,232
Depreciation expense	$ 144,601	136,120	$ 127,507
Number of dealerships owned | dealership	2
Advertising costs	$ 77,029	$ 66,169	$ 55,461
Maximum amount of tax benefits realized upon ultimate settlement (as a percent)	50.00%
Stock-based compensation, requisite service period (in years)	3 years
Restricted Stock Units (RSUs) and Performance Stock Units (PSUs)
Summary Of Significant Accounting Policies [Line Items]
Antidilutive restricted stock units and unvested restricted stock outstanding (in shares) | shares	0	0	0
Selling, General and Administrative Expenses | Continuing Operations
Summary Of Significant Accounting Policies [Line Items]
Depreciation expense	$ 24,240	$ 26,999	$ 25,388
Research and Development Expense
Summary Of Significant Accounting Policies [Line Items]
Research and development expense	$ 49,380	36,592	$ 38,998
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 [Member]
Summary Of Significant Accounting Policies [Line Items]
Long-lived and intangible assets, useful life (in years)	12 years
Minimum | Noncompete Agreements [Member]
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 Building 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 [Member]
Summary Of Significant Accounting Policies [Line Items]
Long-lived and intangible assets, useful life (in years)	20 years
Maximum | Noncompete Agreements [Member]
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 Building 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	$ 318,918	316,401
Euro Financial Institutions One
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents	$ 90,816	$ 68,170