Business Segments - Schedule of Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023	Jul. 31, 2023
Segment Reporting Information [Line Items]
Net sales	$ 2,207,369	$ 2,346,635	$ 4,708,128	$ 5,454,719
Income (loss) from continuing operations before income taxes	6,894	32,718	79,476	211,989
Total assets	7,225,829		7,225,829		$ 7,260,830
Depreciation and amortization expense, total	68,119	67,682	135,397	134,675
Capital acquisitions	36,361	47,345	76,552	101,435
Operating segments
Segment Reporting Information [Line Items]
Net sales	2,083,686	2,215,272	4,448,500	5,160,899
Income (loss) from continuing operations before income taxes	65,178	66,440	180,246	295,412
Total assets	5,591,023		5,591,023		5,596,183
Depreciation and amortization expense, total	53,773	51,913	106,876	102,813
Capital acquisitions	25,945	39,237	55,110	88,395
Operating segments | North America
Segment Reporting Information [Line Items]
Net sales	1,301,392	1,568,334	2,958,005	4,009,659
Income (loss) from continuing operations before income taxes	27,121	54,425	113,422	289,865
Total assets	2,602,608		2,602,608		2,698,008
Depreciation and amortization expense, total	22,637	23,200	45,343	46,798
Capital acquisitions	9,829	27,086	24,234	67,324
Operating segments | North American Towable Recreational Vehicles | North America
Segment Reporting Information [Line Items]
Net sales	730,968	829,751	1,676,422	2,147,557
Income (loss) from continuing operations before income taxes	661	(7,119)	49,910	103,888
Total assets	1,375,699		1,375,699		1,429,899
Depreciation and amortization expense, total	13,788	15,028	27,552	30,465
Capital acquisitions	4,443	16,820	11,373	37,994
Operating segments | North American Motorized Recreational Vehicles | North America
Segment Reporting Information [Line Items]
Net sales	570,424	738,583	1,281,583	1,862,102
Income (loss) from continuing operations before income taxes	26,460	61,544	63,512	185,977
Total assets	1,226,909		1,226,909		1,268,109
Depreciation and amortization expense, total	8,849	8,172	17,791	16,333
Capital acquisitions	5,386	10,266	12,861	29,330
Operating segments | European Recreational Vehicles | Europe
Segment Reporting Information [Line Items]
Net sales	782,294	646,938	1,490,495	1,151,240
Income (loss) from continuing operations before income taxes	38,057	12,015	66,824	5,547
Total assets	2,988,415		2,988,415		2,898,175
Depreciation and amortization expense, total	31,136	28,713	61,533	56,015
Capital acquisitions	16,116	12,151	30,876	21,071
Other, net
Segment Reporting Information [Line Items]
Net sales	166,534	164,859	365,455	397,507
Income (loss) from continuing operations before income taxes	7,343	8,289	16,819	13,034
Total assets	1,023,371		1,023,371		1,048,076
Depreciation and amortization expense, total	13,668	15,338	27,294	30,986
Capital acquisitions	6,244	7,957	14,535	12,769
Corporate
Segment Reporting Information [Line Items]
Income (loss) from continuing operations before income taxes	(65,627)	(42,011)	(117,589)	(96,457)
Total assets	611,435		611,435		$ 616,571
Depreciation and amortization expense, total	678	431	1,227	876
Capital acquisitions	4,172	151	6,907	271
Intercompany eliminations
Segment Reporting Information [Line Items]
Net sales	$ (42,851)	$ (33,496)	$ (105,827)	$ (103,687)