SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) $ in Thousands	12 Months Ended
	Jul. 31, 2022 USD ($)	Jul. 31, 2022 USD ($)	Jul. 31, 2022 USD ($) Segment	Jul. 31, 2022 USD ($)	Jul. 31, 2022 USD ($) shares	Jul. 31, 2022 USD ($) segment	Jul. 31, 2021 USD ($) shares	Jul. 31, 2020 USD ($) shares
Summary Of Significant Accounting Policies [Line Items]
Number of reportable segments			3			3
Cash and cash equivalents	$ 311,553	$ 311,553	$ 311,553	$ 311,553	$ 311,553	$ 311,553	$ 445,852	$ 538,519
Depreciation		127,507					113,398	98,933
Advertising costs		55,461					$ 44,638	$ 67,019
Maximum percentage of tax benefits realized upon ultimate settlement				50.00%
Stock-based compensation, requisite service period	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
Research and Development Expense
Summary Of Significant Accounting Policies [Line Items]
Research and development expense		38,998					$ 26,775	$ 19,123
Continuing Operations | Selling, General and Administrative Expenses
Summary Of Significant Accounting Policies [Line Items]
Depreciation		25,388					22,409	$ 15,060
Backlog
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangible asset, useful life	9 months
Rental vehicles
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life	6 years
Minimum | Trademarks
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangible asset, useful life	15 years
Minimum | Dealer network
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangible asset, useful life	12 years
Minimum | Non-compete agreements
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangible asset, useful life	2 years
Minimum | Design Technology
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangible asset, useful life	2 years
Minimum | Building and Building Improvements
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life	10 years
Minimum | Machinery and equipment
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life	3 years
Maximum | Trademarks
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangible asset, useful life	25 years
Maximum | Dealer network
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangible asset, useful life	20 years
Maximum | Non-compete agreements
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangible asset, useful life	15 years
Maximum | Design Technology
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangible asset, useful life	15 years
Maximum | Building and Building Improvements
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life	39 years
Maximum | Machinery and equipment
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life	10 years
Held By One U.S. Financial Institution
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents	$ 217,411	217,411	217,411	$ 217,411	$ 217,411	217,411	260,101
Euro Financial Institutions One
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents	30,609	30,609	30,609	30,609	30,609	30,609	111,215
Euro Financial Institutions Two
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents	$ 8,522	$ 8,522	$ 8,522	$ 8,522	$ 8,522	$ 8,522	$ 27,926