Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Stockholders' Equity Attributable to THOR	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss), Net	Treasury Stock	Non-Controlling Interests
Beginning balance (in shares) at Jul. 31, 2022			66,059,403
Beginning balance at Jul. 31, 2022	$ 3,600,654	$ 3,592,862	$ 6,606	$ 497,946	$ 3,813,261	$ (181,607)	$ (543,344)	$ 7,792
Beginning balance (in shares) at Jul. 31, 2022							12,382,441
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	374,240	374,271			374,271			(31)
Purchase of treasury shares (in shares)							549,532
Purchase of treasury shares	(42,007)	(42,007)					$ (42,007)
Restricted stock unit activity (in shares)			284,937				98,057
Restricted stock unit activity	(5,714)	(5,714)	$ 28	1,574			$ (7,316)
Cash dividends per common share	(95,969)	(95,969)			(95,969)
Stock compensation expense	39,512	39,512		39,512
Other comprehensive income (loss)	112,682	113,060				113,060		(378)
Ending balance (in shares) at Jul. 31, 2023			66,344,340
Ending balance at Jul. 31, 2023	3,983,398	3,976,015	$ 6,634	539,032	4,091,563	(68,547)	$ (592,667)	7,383
Ending balance (in shares) at Jul. 31, 2023							13,030,030
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	265,400	265,308			265,308			92
Purchase of treasury shares (in shares)							720,997
Purchase of treasury shares	(68,387)	(68,387)					$ (68,387)
Restricted stock unit activity (in shares)			515,398				177,287
Restricted stock unit activity	(16,111)	(16,111)	$ 52	82			$ (16,245)
Cash dividends per common share	(102,137)	(102,137)			(102,137)
Stock compensation expense	37,901	37,901		37,901
Other comprehensive income (loss)	(26,011)	(25,159)				(25,159)		(852)
Ending balance (in shares) at Jul. 31, 2024			66,859,738
Ending balance at Jul. 31, 2024	$ 4,074,053	4,067,430	$ 6,686	577,015	4,254,734	(93,706)	$ (677,299)	6,623
Ending balance (in shares) at Jul. 31, 2024	13,928,314						13,928,314
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 256,591	258,559			258,559			(1,968)
Purchase of treasury shares (in shares)	586,558						586,558
Purchase of treasury shares	$ (52,647)	(52,647)					$ (52,647)
Restricted stock unit activity (in shares)			423,069				134,725
Restricted stock unit activity	(13,682)	(13,682)	$ 42	594			$ (14,318)
Cash dividends per common share	(106,130)	(106,130)			(106,130)
Stock compensation expense	30,872	30,872		30,872
Other comprehensive income (loss)	100,495	104,096				104,096		(3,601)
Ending balance (in shares) at Jul. 31, 2025			67,282,807
Ending balance at Jul. 31, 2025	$ 4,289,552	$ 4,288,498	$ 6,728	$ 608,481	$ 4,407,163	$ 10,390	$ (744,264)	$ 1,054
Ending balance (in shares) at Jul. 31, 2025	14,649,597						14,649,597