Business Segments - Schedule of Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Jul. 31, 2022
Segment Reporting Information [Line Items]
Net sales	$ 3,108,084	$ 3,958,224
Income (loss) from continuing operations before income taxes	179,271	312,842
Total assets	7,281,265		$ 7,408,132
Depreciation and amortization expense, total	66,993	64,953
Capital acquisitions	54,090	41,016
Operating segments | Recreational vehicles
Segment Reporting Information [Line Items]
Net sales	2,945,627	3,798,859
Income (loss) from continuing operations before income taxes	228,972	337,204
Total assets	5,683,467		5,729,587
Depreciation and amortization expense, total	50,900	58,037
Capital acquisitions	49,158	36,565
Operating segments | Recreational vehicles | North America
Segment Reporting Information [Line Items]
Net sales	2,441,325	3,165,862
Income (loss) from continuing operations before income taxes	235,440	355,180
Total assets	3,285,887		3,280,317
Depreciation and amortization expense, total	23,598	23,324
Capital acquisitions	40,238	21,763
Operating segments | Recreational vehicles | North America | North American Towables
Segment Reporting Information [Line Items]
Net sales	1,317,806	2,240,834
Income (loss) from continuing operations before income taxes	111,007	266,282
Total assets	1,836,534		2,040,841
Depreciation and amortization expense, total	15,437	16,302
Capital acquisitions	21,174	13,134
Operating segments | Recreational vehicles | North America | North American Motorized
Segment Reporting Information [Line Items]
Net sales	1,123,519	925,028
Income (loss) from continuing operations before income taxes	124,433	88,898
Total assets	1,449,353		1,239,476
Depreciation and amortization expense, total	8,161	7,022
Capital acquisitions	19,064	8,629
Operating segments | Recreational vehicles | European
Segment Reporting Information [Line Items]
Net sales	504,302	632,997
Income (loss) from continuing operations before income taxes	(6,468)	(17,976)
Total assets	2,397,580		2,449,270
Depreciation and amortization expense, total	27,302	34,713
Capital acquisitions	8,920	14,802
Other, net
Segment Reporting Information [Line Items]
Net sales	232,648	257,830
Income (loss) from continuing operations before income taxes	4,745	23,529
Total assets	1,251,852		1,272,829
Depreciation and amortization expense, total	15,648	6,480
Capital acquisitions	4,812	4,417
Corporate
Segment Reporting Information [Line Items]
Income (loss) from continuing operations before income taxes	(54,446)	(47,891)
Total assets	345,946		$ 405,716
Depreciation and amortization expense, total	445	436
Capital acquisitions	120	34
Intercompany eliminations
Segment Reporting Information [Line Items]
Net sales	$ (70,191)	$ (98,465)