CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Income Statement [Abstract]
Net sales	$ 3,875,018	$ 2,727,788	$ 7,833,242	$ 5,265,148
Cost of products sold	3,199,744	2,312,911	6,502,544	4,471,419
Gross profit	675,274	414,877	1,330,698	793,729
Selling, general and administrative expenses	267,450	206,189	563,333	387,952
Amortization of intangible assets	43,349	29,203	76,563	56,630
Interest income	91	202	284	520
Interest expense	24,598	24,164	45,511	48,440
Other income, net	6,285	8,436	13,520	9,051
Income before income taxes	346,253	163,959	659,095	310,278
Income tax provision	80,618	32,769	148,657	63,449
Net income	265,635	131,190	510,438	246,829
Less: Net income (loss) attributable to non-controlling interests	(933)	(1,334)	1,628	548
Net income attributable to THOR Industries, Inc.	$ 266,568	$ 132,524	$ 508,810	$ 246,281
Weighted-average common shares outstanding:
Basic (in shares)	55,493,622	55,366,241	55,458,238	55,302,203
Diluted (in shares)	55,649,445	55,568,667	55,720,079	55,561,675
Earnings per common share:
Basic (in dollars per share)	$ 4.80	$ 2.39	$ 9.17	$ 4.45
Diluted (in dollars per share)	$ 4.79	$ 2.38	$ 9.13	$ 4.43
Comprehensive income:
Net income	$ 265,635	$ 131,190	$ 510,438	$ 246,829
Other comprehensive income (loss), net of tax
Foreign currency translation adjustment	(69,974)	60,133	(105,141)	41,140
Unrealized gain on derivatives, net of tax	2,129	2,351	4,484	5,683
Other (loss), net of tax	(372)	0	(372)	0
Total other comprehensive income (loss), net of tax	(68,217)	62,484	(101,029)	46,823
Total Comprehensive income	197,418	193,674	409,409	293,652
Less: Comprehensive income (loss) attributable to non-controlling interests	(1,478)	(1,307)	923	688
Comprehensive income attributable to THOR Industries, Inc.	$ 198,896	$ 194,981	$ 408,486	$ 292,964