BUSINESS SEGMENTS - Schedule of Segment Reporting Information by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Segment Reporting Information [Line Items]
NET SALES:	$ 9,579,490	$ 10,043,408	$ 11,121,605
COST OF PRODUCTS SOLD:	8,238,849	8,591,446	9,525,252
GROSS PROFIT:	1,340,641	1,451,962	1,596,353
SELLING, GENERAL AND ADMINISTRATIVE EXPENSE:	922,554	895,531	870,054
AMORTIZATION EXPENSE:	119,027	132,544	140,808
INTEREST EXPENSE (INCOME), NET:	48,441	88,666	97,447
OTHER EXPENSE (INCOME), NET:	(45,572)	(13,623)	(11,309)
INCOME (LOSS) BEFORE INCOME TAXES:	296,191	348,844	499,353
Operating Segments
Segment Reporting Information [Line Items]
NET SALES:	8,984,231	9,490,501	10,553,945
COST OF PRODUCTS SOLD:	7,816,302	8,204,064	9,102,399
GROSS PROFIT:	1,167,929	1,286,437	1,451,546
SELLING, GENERAL AND ADMINISTRATIVE EXPENSE:	687,505	680,741	690,163
AMORTIZATION EXPENSE:	81,269	87,237	93,925
INTEREST EXPENSE (INCOME), NET:	2,172	6,065	2,597
OTHER EXPENSE (INCOME), NET:	(37,006)	(14,711)	(7,094)
INCOME (LOSS) BEFORE INCOME TAXES:	433,989	527,105	671,955
Operating Segments | Total North America
Segment Reporting Information [Line Items]
NET SALES:	5,960,270	6,125,521	7,516,798
COST OF PRODUCTS SOLD:	5,252,660	5,420,295	6,570,596
GROSS PROFIT:	707,610	705,226	946,202
SELLING, GENERAL AND ADMINISTRATIVE EXPENSE:	381,251	382,728	419,125
AMORTIZATION EXPENSE:	32,703	35,588	39,291
INTEREST EXPENSE (INCOME), NET:	(19)	(13)	(21)
OTHER EXPENSE (INCOME), NET:	(38,680)	(8,805)	(4,523)
INCOME (LOSS) BEFORE INCOME TAXES:	332,355	295,728	492,330
Operating Segments | North American Towable
Segment Reporting Information [Line Items]
NET SALES:	3,784,666	3,679,671	4,202,628
COST OF PRODUCTS SOLD:	3,287,690	3,252,285	3,699,141
GROSS PROFIT:	496,976	427,386	503,487
SELLING, GENERAL AND ADMINISTRATIVE EXPENSE:	256,536	246,330	243,616
AMORTIZATION EXPENSE:	18,076	20,101	26,226
INTEREST EXPENSE (INCOME), NET:	(11)	(14)	(15)
OTHER EXPENSE (INCOME), NET:	(24,637)	(8,263)	(3,463)
INCOME (LOSS) BEFORE INCOME TAXES:	247,012	169,232	237,123
Operating Segments | North American Motorized
Segment Reporting Information [Line Items]
NET SALES:	2,175,604	2,445,850	3,314,170
COST OF PRODUCTS SOLD:	1,964,970	2,168,010	2,871,455
GROSS PROFIT:	210,634	277,840	442,715
SELLING, GENERAL AND ADMINISTRATIVE EXPENSE:	124,715	136,398	175,509
AMORTIZATION EXPENSE:	14,627	15,487	13,065
INTEREST EXPENSE (INCOME), NET:	(8)	1	(6)
OTHER EXPENSE (INCOME), NET:	(14,043)	(542)	(1,060)
INCOME (LOSS) BEFORE INCOME TAXES:	85,343	126,496	255,207
Operating Segments | European
Segment Reporting Information [Line Items]
NET SALES:	3,023,961	3,364,980	3,037,147
COST OF PRODUCTS SOLD:	2,563,642	2,783,769	2,531,803
GROSS PROFIT:	460,319	581,211	505,344
SELLING, GENERAL AND ADMINISTRATIVE EXPENSE:	306,254	298,013	271,038
AMORTIZATION EXPENSE:	48,566	51,649	54,634
INTEREST EXPENSE (INCOME), NET:	2,191	6,078	2,618
OTHER EXPENSE (INCOME), NET:	1,674	(5,906)	(2,571)
INCOME (LOSS) BEFORE INCOME TAXES:	101,634	231,377	179,625
Other
Segment Reporting Information [Line Items]
NET SALES:	859,609	781,927	777,639
COST OF PRODUCTS SOLD:	685,739	616,549	636,164
GROSS PROFIT:	172,712	165,525	144,807
SELLING, GENERAL AND ADMINISTRATIVE EXPENSE:	81,517	75,108	65,955
AMORTIZATION EXPENSE:	37,200	45,183	46,883
INTEREST EXPENSE (INCOME), NET:	164	295	374
OTHER EXPENSE (INCOME), NET:	91	(360)	(5,370)
INCOME (LOSS) BEFORE INCOME TAXES:	53,740	45,299	36,965
Intercompany eliminations
Segment Reporting Information [Line Items]
NET SALES:	(264,350)	(229,020)	(209,979)
COST OF PRODUCTS SOLD:	(263,192)	(229,167)	(213,311)
Corporate
Segment Reporting Information [Line Items]
SELLING, GENERAL AND ADMINISTRATIVE EXPENSE:	153,532	139,682	113,936
AMORTIZATION EXPENSE:	558	124	0
INTEREST EXPENSE (INCOME), NET:	46,105	82,306	94,476
OTHER EXPENSE (INCOME), NET:	(8,657)	1,448	1,155
INCOME (LOSS) BEFORE INCOME TAXES:	$ (191,538)	$ (223,560)	$ (209,567)