Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 2,207,369	$ 2,346,635	$ 4,708,128	$ 5,454,719
Operating segments
Disaggregation of Revenue [Line Items]
Net sales	2,083,686	2,215,272	4,448,500	5,160,899
Operating segments | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	2,083,686	2,215,272	4,448,500	5,160,899
Operating segments | North America
Disaggregation of Revenue [Line Items]
Net sales	1,301,392	1,568,334	2,958,005	4,009,659
Operating segments | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	1,301,392	1,568,334	2,958,005	4,009,659
Operating segments | Europe | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	782,294	646,938	1,490,495	1,151,240
Operating segments | North American Towable | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	730,968	829,751	1,676,422	2,147,557
Operating segments | Travel Trailers | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	471,483	527,829	1,091,021	1,350,698
Operating segments | Fifth Wheels | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	259,485	301,922	585,401	796,859
Operating segments | North American Motorized | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	570,424	738,583	1,281,583	1,862,102
Operating segments | Class A | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	178,308	244,128	386,219	648,706
Operating segments | Class C | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	275,632	334,911	609,408	825,698
Operating segments | Class B | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	116,484	159,544	285,956	387,698
Operating segments | Motorcaravan | Europe | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	424,813	267,782	771,324	507,567
Operating segments | Campervan | Europe | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	244,724	227,136	466,333	366,302
Operating segments | Caravan | Europe | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	51,087	94,494	115,714	156,109
Operating segments | Other RV-related | Europe | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	61,670	57,526	137,124	121,262
Other, net
Disaggregation of Revenue [Line Items]
Net sales	166,534	164,859	365,455	397,507
Intercompany eliminations
Disaggregation of Revenue [Line Items]
Net sales	$ (42,851)	$ (33,496)	$ (105,827)	$ (103,687)