INTANGIBLE ASSETS AND GOODWILL - Summary of Components of Net Balance (Details) - USD ($) $ in Thousands	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Goodwill [Line Items]
Goodwill	$ 1,827,823	$ 1,831,552
Accumulated impairment charges	(27,401)	(27,401)
Net balance	1,800,422	1,804,151	$ 1,563,255
Recreational vehicles | Europe
Goodwill [Line Items]
Goodwill	965,758	893,383
Accumulated impairment charges	0	0
Net balance	965,758	893,383	1,041,697
Recreational vehicles | Towables | North America
Goodwill [Line Items]
Goodwill	348,032	355,124
Accumulated impairment charges	(10,149)	(10,149)
Net balance	337,883	344,975	344,975
Recreational vehicles | Motorized | North America
Goodwill [Line Items]
Goodwill	82,316	71,127
Accumulated impairment charges	(17,252)	(17,252)
Net balance	65,064	53,875	53,875
Other
Goodwill [Line Items]
Goodwill	431,717	511,918
Accumulated impairment charges	0	0
Net balance	$ 431,717	$ 511,918	$ 122,708