Consolidated Statements of Income and Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Income Statement [Abstract]
Net sales	$ 11,121,605	$ 16,312,525	$ 12,317,380
Cost of products sold	9,525,252	13,506,495	10,422,407
Gross profit	1,596,353	2,806,030	1,894,973
Selling, general and administrative expenses	870,054	1,116,462	869,916
Amortization of intangible assets	140,808	156,946	117,183
Interest expense, net	97,447	90,092	93,545
Other income, net	11,309	17,334	30,252
Income before income taxes	499,353	1,459,864	844,581
Income taxes	125,113	321,621	183,711
Net income	374,240	1,138,243	660,870
Less: Net income (loss) attributable to non-controlling interests	(31)	439	998
Net income attributable to THOR Industries, Inc.	$ 374,271	$ 1,137,804	$ 659,872
Weighted-average common shares outstanding:
Basic (in shares)	53,478,310	55,034,653	55,333,959
Diluted (in shares)	53,857,143	55,264,046	55,687,253
Earnings per common share:
Basic (in dollars per share)	$ 7.00	$ 20.67	$ 11.93
Diluted (in dollars per share)	$ 6.95	$ 20.59	$ 11.85
Comprehensive income:
Net income	$ 374,240	$ 1,138,243	$ 660,870
Other comprehensive income (loss), net of tax
Foreign currency translation gain (loss), net of tax	114,164	(239,038)	7,723
Unrealized gain (loss) on derivatives, net of tax	(675)	9,330	10,168
Other income (loss), net of tax	(807)	2,047	(180)
Total other comprehensive income (loss), net of tax	112,682	(227,661)	17,711
Total comprehensive income	486,922	910,582	678,581
Comprehensive income (loss) attributable to non-controlling interest	(409)	(994)	1,081
Comprehensive income attributable to THOR Industries, Inc.	$ 487,331	$ 911,576	$ 677,500