Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2026	Jan. 31, 2025
Disaggregation of Revenue [Line Items]
Total	$ 2,125,856	$ 2,018,107	$ 4,514,979	$ 4,160,891
Operating Segments
Disaggregation of Revenue [Line Items]
Total	1,972,028	1,887,029	4,185,693	3,895,918
Operating Segments | Total North America
Disaggregation of Revenue [Line Items]
Total	1,287,556	1,274,564	2,845,742	2,678,550
Operating Segments | North American Towable
Disaggregation of Revenue [Line Items]
Total	710,485	828,266	1,607,575	1,727,044
Operating Segments | North American Motorized
Disaggregation of Revenue [Line Items]
Total	577,071	446,298	1,238,167	951,506
Operating Segments | European
Disaggregation of Revenue [Line Items]
Total	684,472	612,465	1,339,951	1,217,368
Operating Segments | Travel Trailers | North American Towable
Disaggregation of Revenue [Line Items]
Total	403,599	518,620	909,600	1,121,315
Operating Segments | Fifth Wheels | North American Towable
Disaggregation of Revenue [Line Items]
Total	306,886	309,646	697,975	605,729
Operating Segments | Class A | North American Motorized
Disaggregation of Revenue [Line Items]
Total	169,898	148,009	359,044	304,585
Operating Segments | Class C | North American Motorized
Disaggregation of Revenue [Line Items]
Total	297,219	204,053	626,409	438,280
Operating Segments | Class B | North American Motorized
Disaggregation of Revenue [Line Items]
Total	109,954	94,236	252,714	208,641
Operating Segments | Motorcaravan | European
Disaggregation of Revenue [Line Items]
Total	391,940	335,646	747,247	653,862
Operating Segments | Campervan | European
Disaggregation of Revenue [Line Items]
Total	188,257	165,964	370,567	339,180
Operating Segments | Caravan | European
Disaggregation of Revenue [Line Items]
Total	34,275	42,180	61,978	75,251
Operating Segments | Other RV-related | European
Disaggregation of Revenue [Line Items]
Total	70,000	68,675	160,159	149,075
Other
Disaggregation of Revenue [Line Items]
Total	223,665	185,653	482,721	379,164
Intercompany eliminations
Disaggregation of Revenue [Line Items]
Total	$ (69,837)	$ (54,575)	$ (153,435)	$ (114,191)