Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 2,500,759	$ 3,108,084
Operating segments
Disaggregation of Revenue [Line Items]
Net sales	2,364,814	2,945,627
Operating segments | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	2,364,814	2,945,627
Operating segments | North America
Disaggregation of Revenue [Line Items]
Net sales	1,656,613	2,441,325
Operating segments | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	1,656,613	2,441,325
Operating segments | European | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	708,201	504,302
Operating segments | Travel Trailers | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	619,538	822,869
Operating segments | Fifth Wheels | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	325,916	494,937
Operating segments | North American Towable | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	945,454	1,317,806
Operating segments | Class A | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	207,911	404,578
Operating segments | Class C | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	333,776	490,787
Operating segments | Class B | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	169,472	228,154
Operating segments | North American Motorized | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	711,159	1,123,519
Operating segments | Motorcaravan | European | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	346,511	239,785
Operating segments | Campervan | European | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	221,609	139,166
Operating segments | Caravan | European | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	64,627	61,615
Operating segments | Other RV-related | European | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	75,454	63,736
Other
Disaggregation of Revenue [Line Items]
Net sales	198,921	232,648
Intercompany eliminations
Disaggregation of Revenue [Line Items]
Net sales	$ (62,976)	$ (70,191)