BUSINESS SEGMENTS - Schedule of Segment Reporting Information, by Segment Balance Sheet Item (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020
Segment Reporting Information [Line Items]
Total assets	$ 7,408,132	$ 6,654,088
Depreciation and Intangible amortization expense	284,453	230,581	$ 196,167
Capital acquisitions	240,561	131,681	105,823
Operating Segments
Segment Reporting Information [Line Items]
Total assets	5,729,587	5,919,904
Depreciation and Intangible amortization expense	225,866	216,663	183,915
Capital acquisitions	206,541	124,976	101,987
Operating Segments | Total North America
Segment Reporting Information [Line Items]
Total assets	3,280,317	2,944,083
Depreciation and Intangible amortization expense	94,348	89,231	80,244
Capital acquisitions	109,213	58,046	39,822
Operating Segments | North American Towables
Segment Reporting Information [Line Items]
Total assets	2,040,841	1,870,577
Depreciation and Intangible amortization expense	65,260	66,078	66,042
Capital acquisitions	72,892	35,816	27,219
Operating Segments | North American Motorized
Segment Reporting Information [Line Items]
Total assets	1,239,476	1,073,506
Depreciation and Intangible amortization expense	29,088	23,153	14,202
Capital acquisitions	36,321	22,230	12,603
Operating Segments | European
Segment Reporting Information [Line Items]
Total assets	2,449,270	2,975,821
Depreciation and Intangible amortization expense	131,518	127,432	103,671
Capital acquisitions	97,328	66,930	62,165
Other
Segment Reporting Information [Line Items]
Total assets	1,272,829	272,350
Depreciation and Intangible amortization expense	56,855	12,220	10,488
Capital acquisitions	33,162	5,620	2,664
Corporate
Segment Reporting Information [Line Items]
Total assets	405,716	461,834
Depreciation and Intangible amortization expense	1,732	1,698	1,764
Capital acquisitions	$ 858	$ 1,085	$ 1,172