ACQUISITIONS - Tiffin Group - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 18, 2020	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020
Business Acquisition [Line Items]
Goodwill		$ 1,804,151	$ 1,563,255	$ 1,476,541
Total cash consideration for acquisition, less cash acquired		$ 781,967	$ 310,938	$ 0
Tiffin Group
Business Acquisition [Line Items]
Cash	$ 13,074
Inventory	116,441
Other assets	53,860
Property, plant and equipment	48,262
Goodwill	65,064
Current liabilities	(81,423)
Deferred income tax liabilities	(37,263)
Other liabilities	(7,203)
Total fair value of net assets acquired	301,312
Less cash acquired	(13,074)
Total cash consideration for acquisition, less cash acquired	288,238
Tiffin Group | Dealer network
Business Acquisition [Line Items]
Amortizable intangible assets:	92,200
Tiffin Group | Trademarks
Business Acquisition [Line Items]
Amortizable intangible assets:	32,100
Tiffin Group | Non-compete agreements
Business Acquisition [Line Items]
Amortizable intangible assets:	1,400
Tiffin Group | Backlog
Business Acquisition [Line Items]
Amortizable intangible assets:	$ 4,800