v3.26.3
REVENUE RECOGNITION (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2024
Disaggregation of Revenue [Line Items]      
NET SALES: $ 9,608,145 $ 9,579,490 $ 10,043,408
Operating Segments      
Disaggregation of Revenue [Line Items]      
NET SALES: 8,928,576 8,984,231 9,490,501
Operating Segments | Total North American      
Disaggregation of Revenue [Line Items]      
NET SALES: 5,631,847 5,960,270 6,125,521
Operating Segments | North American Towable      
Disaggregation of Revenue [Line Items]      
NET SALES: 3,176,687 3,784,666 3,679,671
Operating Segments | North American Motorized      
Disaggregation of Revenue [Line Items]      
NET SALES: 2,455,160 2,175,604 2,445,850
Operating Segments | European      
Disaggregation of Revenue [Line Items]      
NET SALES: 3,296,729 3,023,961 3,364,980
Operating Segments | Travel Trailers | North American Towable      
Disaggregation of Revenue [Line Items]      
NET SALES: 1,865,588 2,298,926 2,395,246
Operating Segments | Fifth Wheels | North American Towable      
Disaggregation of Revenue [Line Items]      
NET SALES: 1,311,099 1,485,740 1,284,425
Operating Segments | Class A | North American Motorized      
Disaggregation of Revenue [Line Items]      
NET SALES: 673,300 633,418 776,836
Operating Segments | Class C | North American Motorized      
Disaggregation of Revenue [Line Items]      
NET SALES: 1,283,822 1,068,113 1,162,140
Operating Segments | Class B | North American Motorized      
Disaggregation of Revenue [Line Items]      
NET SALES: 498,038 474,073 506,874
Operating Segments | Motorcaravan | European      
Disaggregation of Revenue [Line Items]      
NET SALES: 1,830,789 1,657,916 1,747,291
Operating Segments | Campervan | European      
Disaggregation of Revenue [Line Items]      
NET SALES: 946,580 837,809 1,064,293
Operating Segments | Caravan | European      
Disaggregation of Revenue [Line Items]      
NET SALES: 149,504 177,749 235,928
Operating Segments | Other RV-related | European      
Disaggregation of Revenue [Line Items]      
NET SALES: 369,856 350,487 317,468
Other      
Disaggregation of Revenue [Line Items]      
NET SALES: 976,976 859,609 781,927
Intercompany eliminations      
Disaggregation of Revenue [Line Items]      
NET SALES: $ (297,407) $ (264,350) $ (229,020)