REVENUE RECOGNITION (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Disaggregation of Revenue [Line Items]
NET SALES:	$ 9,579,490	$ 10,043,408	$ 11,121,605
Operating Segments
Disaggregation of Revenue [Line Items]
NET SALES:	8,984,231	9,490,501	10,553,945
Operating Segments | Total North American
Disaggregation of Revenue [Line Items]
NET SALES:	5,960,270	6,125,521	7,516,798
Operating Segments | North American Towable
Disaggregation of Revenue [Line Items]
NET SALES:	3,784,666	3,679,671	4,202,628
Operating Segments | North American Motorized
Disaggregation of Revenue [Line Items]
NET SALES:	2,175,604	2,445,850	3,314,170
Operating Segments | European
Disaggregation of Revenue [Line Items]
NET SALES:	3,023,961	3,364,980	3,037,147
Operating Segments | Travel Trailers and Other | North American Towable
Disaggregation of Revenue [Line Items]
NET SALES:	2,298,926	2,395,246	2,587,686
Operating Segments | Fifth Wheels | North American Towable
Disaggregation of Revenue [Line Items]
NET SALES:	1,485,740	1,284,425	1,614,942
Operating Segments | Class A | North American Motorized
Disaggregation of Revenue [Line Items]
NET SALES:	633,418	776,836	1,066,617
Operating Segments | Class C | North American Motorized
Disaggregation of Revenue [Line Items]
NET SALES:	1,068,113	1,162,140	1,536,398
Operating Segments | Class B | North American Motorized
Disaggregation of Revenue [Line Items]
NET SALES:	474,073	506,874	711,155
Operating Segments | Motorcaravan | European
Disaggregation of Revenue [Line Items]
NET SALES:	1,657,916	1,747,291	1,409,137
Operating Segments | Campervan | European
Disaggregation of Revenue [Line Items]
NET SALES:	837,809	1,064,293	987,623
Operating Segments | Caravan | European
Disaggregation of Revenue [Line Items]
NET SALES:	177,749	235,928	358,415
Operating Segments | Other RV-related | European
Disaggregation of Revenue [Line Items]
NET SALES:	350,487	317,468	281,972
Other
Disaggregation of Revenue [Line Items]
NET SALES:	859,609	781,927	777,639
Intercompany eliminations
Disaggregation of Revenue [Line Items]
NET SALES:	$ (264,350)	$ (229,020)	$ (209,979)