Business Segments - Schedule of Segment Reporting Information, by Segment Balance Sheet Item (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024	Jul. 31, 2024
Segment Reporting Information [Line Items]
TOTAL ASSETS:	$ 7,170,290		$ 7,170,290		$ 7,020,823
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	66,173	$ 68,151	199,828	$ 203,548
CAPITAL ACQUISITIONS:	35,164	26,343	84,519	102,895
Operating Segments
Segment Reporting Information [Line Items]
TOTAL ASSETS:	5,412,866		5,412,866		5,239,241
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	52,513	53,628	158,607	160,504
CAPITAL ACQUISITIONS:	30,672	19,636	71,131	74,746
Operating Segments \| Total North America
Segment Reporting Information [Line Items]
TOTAL ASSETS:	2,440,913		2,440,913		2,367,925
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	21,607	22,111	65,133	67,454
CAPITAL ACQUISITIONS:	9,427	6,368	22,845	30,602
Operating Segments \| North American Towable
Segment Reporting Information [Line Items]
TOTAL ASSETS:	1,467,035		1,467,035		1,290,117
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	13,207	13,555	39,456	41,107
CAPITAL ACQUISITIONS:	5,252	3,726	12,818	15,099
Operating Segments \| North American Motorized
Segment Reporting Information [Line Items]
TOTAL ASSETS:	973,878		973,878		1,077,808
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	8,400	8,556	25,677	26,347
CAPITAL ACQUISITIONS:	4,175	2,642	10,027	15,503
Operating Segments \| European
Segment Reporting Information [Line Items]
TOTAL ASSETS:	2,971,953		2,971,953		2,871,316
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	30,906	31,517	93,474	93,050
CAPITAL ACQUISITIONS:	21,245	13,268	48,286	44,144
Other
Segment Reporting Information [Line Items]
TOTAL ASSETS:	1,014,439		1,014,439		1,058,842
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	12,758	13,865	38,630	41,159
CAPITAL ACQUISITIONS:	2,792	5,762	7,977	20,297
Corporate
Segment Reporting Information [Line Items]
TOTAL ASSETS:	742,985		742,985		$ 722,740
DEPRECIATION AND INTANGIBLE ASSET AMORTIZATION EXPENSE:	902	658	2,591	1,885
CAPITAL ACQUISITIONS:	$ 1,700	$ 945	$ 5,411	$ 7,852

THOR INDUSTRIES INC 10-Q