Business Segments - Schedule of Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023	Jul. 31, 2023
Segment Reporting Information [Line Items]
Net sales	$ 2,801,113	$ 2,928,820	$ 7,509,241	$ 8,383,539
INCOME (LOSS) BEFORE INCOME TAXES:	142,350	155,451	221,826	367,440
TOTAL ASSETS:	7,218,197		7,218,197		$ 7,260,830
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	68,151	68,151	203,548	202,826
CAPITAL ACQUISITIONS:	26,343	49,172	102,895	150,607
Operating segments
Segment Reporting Information [Line Items]
Net sales	2,649,402	2,787,101	7,097,902	7,948,000
INCOME (LOSS) BEFORE INCOME TAXES:	178,963	198,170	359,209	493,582
TOTAL ASSETS:	5,577,178		5,577,178		5,596,183
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	53,628	53,142	160,504	155,955
CAPITAL ACQUISITIONS:	19,636	35,174	74,746	123,569
Operating segments | North America
Segment Reporting Information [Line Items]
Net sales	1,718,341	1,920,350	4,676,346	5,930,009
INCOME (LOSS) BEFORE INCOME TAXES:	101,581	125,769	215,003	415,634
TOTAL ASSETS:	2,593,630		2,593,630		2,698,008
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	22,111	23,302	67,454	70,100
CAPITAL ACQUISITIONS:	6,368	19,285	30,602	86,609
Operating segments | North American Towable Recreational Vehicles | North America
Segment Reporting Information [Line Items]
Net sales	1,071,393	1,124,410	2,747,815	3,271,967
INCOME (LOSS) BEFORE INCOME TAXES:	68,409	77,583	118,319	181,471
TOTAL ASSETS:	1,412,923		1,412,923		1,429,899
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	13,555	15,188	41,107	45,653
CAPITAL ACQUISITIONS:	3,726	14,367	15,099	52,361
Operating segments | North American Motorized Recreational Vehicles | North America
Segment Reporting Information [Line Items]
Net sales	646,948	795,940	1,928,531	2,658,042
INCOME (LOSS) BEFORE INCOME TAXES:	33,172	48,186	96,684	234,163
TOTAL ASSETS:	1,180,707		1,180,707		1,268,109
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	8,556	8,114	26,347	24,447
CAPITAL ACQUISITIONS:	2,642	4,918	15,503	34,248
Operating segments | European Recreational Vehicles | Europe
Segment Reporting Information [Line Items]
Net sales	931,061	866,751	2,421,556	2,017,991
INCOME (LOSS) BEFORE INCOME TAXES:	77,382	72,401	144,206	77,948
TOTAL ASSETS:	2,983,548		2,983,548		2,898,175
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	31,517	29,840	93,050	85,855
CAPITAL ACQUISITIONS:	13,268	15,889	44,144	36,960
Other, net
Segment Reporting Information [Line Items]
Net sales	216,227	201,164	581,682	598,671
INCOME (LOSS) BEFORE INCOME TAXES:	18,831	16,970	35,650	30,004
TOTAL ASSETS:	1,045,512		1,045,512		1,048,076
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	13,865	14,563	41,159	45,549
CAPITAL ACQUISITIONS:	5,762	13,144	20,297	25,913
Corporate
Segment Reporting Information [Line Items]
INCOME (LOSS) BEFORE INCOME TAXES:	(55,444)	(59,689)	(173,033)	(156,146)
TOTAL ASSETS:	595,507		595,507		$ 616,571
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	658	446	1,885	1,322
CAPITAL ACQUISITIONS:	945	854	7,852	1,125
Intercompany eliminations
Segment Reporting Information [Line Items]
Net sales	$ (64,516)	$ (59,445)	$ (170,343)	$ (163,132)