Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 2,801,113	$ 2,928,820	$ 7,509,241	$ 8,383,539
Operating segments
Disaggregation of Revenue [Line Items]
Net sales	2,649,402	2,787,101	7,097,902	7,948,000
Operating segments | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	2,649,402	2,787,101	7,097,902	7,948,000
Operating segments | North America
Disaggregation of Revenue [Line Items]
Net sales	1,718,341	1,920,350	4,676,346	5,930,009
Operating segments | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	1,718,341	1,920,350	4,676,346	5,930,009
Operating segments | Europe | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	931,061	866,751	2,421,556	2,017,991
Operating segments | North American Towable | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	1,071,393	1,124,410	2,747,815	3,271,967
Operating segments | Travel Trailers | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	720,194	679,753	1,811,215	2,030,451
Operating segments | Fifth Wheels | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	351,199	444,657	936,600	1,241,516
Operating segments | North American Motorized | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	646,948	795,940	1,928,531	2,658,042
Operating segments | Class A | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	211,340	238,972	597,559	887,678
Operating segments | Class C | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	312,980	390,839	922,388	1,216,537
Operating segments | Class B | North America | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	122,628	166,129	408,584	553,827
Operating segments | Motorcaravan | Europe | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	492,490	394,359	1,263,814	901,926
Operating segments | Campervan | Europe | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	289,450	282,415	755,783	648,717
Operating segments | Caravan | Europe | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	64,379	116,412	180,093	272,521
Operating segments | Other RV-related | Europe | Recreational vehicles
Disaggregation of Revenue [Line Items]
Net sales	84,742	73,565	221,866	194,827
Other, net
Disaggregation of Revenue [Line Items]
Net sales	216,227	201,164	581,682	598,671
Intercompany eliminations
Disaggregation of Revenue [Line Items]
Net sales	$ (64,516)	$ (59,445)	$ (170,343)	$ (163,132)