Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 3,108,084	$ 3,958,224
Operating segments | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	2,945,627	3,798,859
Operating segments | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	2,441,325	3,165,862
Operating segments | European | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	504,302	632,997
Operating segments | Travel Trailers | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	822,869	1,409,624
Operating segments | Fifth Wheels | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	494,937	831,210
Operating segments | North American Towables | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	1,317,806	2,240,834
Operating segments | Class A | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	404,578	409,499
Operating segments | Class C | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	490,787	360,006
Operating segments | Class B | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	228,154	155,523
Operating segments | North American Motorized | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	1,123,519	925,028
Operating segments | Motorcaravan | European | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	239,785	316,264
Operating segments | Campervan | European | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	139,166	177,783
Operating segments | Caravan | European | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	61,615	60,680
Operating segments | Other RV-related | European | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	63,736	78,270
Other
Disaggregation of Revenue [Line Items]
Net sales	232,648	257,830
Intercompany eliminations
Disaggregation of Revenue [Line Items]
Net sales	$ (70,191)	$ (98,465)