CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Stockholders' Equity Attributable to THOR	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income	Treasury Stock	Non-Controlling Interests
Beginning balance (in shares) at Jul. 31, 2024			66,859,738
Beginning balance at Jul. 31, 2024	$ 4,074,053	$ 4,067,430	$ 6,686	$ 577,015	$ 4,254,734	$ (93,706)	$ (677,299)	$ 6,623
Beginning balance (in shares) at Jul. 31, 2024							13,928,314
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(3,962)	(2,383)			(2,383)			(1,579)
Purchase of treasury shares (in shares)							16,200
Purchases of treasury shares	(1,725)	(1,725)					$ (1,725)
Restricted stock unit activity (in shares)			423,069				134,725
Restricted stock unit activity	(12,789)	(12,789)	$ 42	1,469			$ (14,300)
Dividends per common share	(53,153)	(53,153)			(53,153)
Stock-based compensation expense	18,610	18,610		18,610
Other comprehensive income (loss)	(67,539)	(64,214)				(64,214)		(3,325)
Ending balance (in shares) at Jan. 31, 2025			67,282,807
Ending balance at Jan. 31, 2025	3,953,495	3,951,776	$ 6,728	597,094	4,199,198	(157,920)	$ (693,324)	1,719
Ending balance (in shares) at Jan. 31, 2025							14,079,239
Beginning balance (in shares) at Oct. 31, 2024			67,114,970
Beginning balance at Oct. 31, 2024	4,061,956	4,054,332	$ 6,711	589,414	4,226,351	(81,805)	$ (686,339)	7,624
Beginning balance (in shares) at Oct. 31, 2024							14,012,706
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(3,089)	(551)			(551)			(2,538)
Purchase of treasury shares (in shares)							16,200
Purchases of treasury shares	(1,725)	(1,725)					$ (1,725)
Restricted stock unit activity (in shares)			167,837				50,333
Restricted stock unit activity	(5,636)	(5,636)	$ 17	(393)			$ (5,260)
Dividends per common share	(26,602)	(26,602)			(26,602)
Stock-based compensation expense	8,073	8,073		8,073
Other comprehensive income (loss)	(79,482)	(76,115)				(76,115)		(3,367)
Ending balance (in shares) at Jan. 31, 2025			67,282,807
Ending balance at Jan. 31, 2025	3,953,495	3,951,776	$ 6,728	597,094	4,199,198	(157,920)	$ (693,324)	1,719
Ending balance (in shares) at Jan. 31, 2025							14,079,239
Beginning balance (in shares) at Jul. 31, 2025			67,282,807
Beginning balance at Jul. 31, 2025	$ 4,289,552	4,288,498	$ 6,728	608,481	4,407,163	10,390	$ (744,264)	1,054
Beginning balance (in shares) at Jul. 31, 2025	14,649,597						14,649,597
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 37,810	39,472			39,472			(1,662)
Purchase of treasury shares (in shares)	292,966						292,966
Purchases of treasury shares	$ (30,280)	(30,280)					$ (30,280)
Restricted stock unit activity (in shares)			376,293				120,604
Restricted stock unit activity	(12,481)	(12,481)	$ 38	124			$ (12,643)
Dividends per common share	(54,827)	(54,827)			(54,827)
Stock-based compensation expense	18,897	18,897		18,897
Other comprehensive income (loss)	74,042	73,996				73,996		46
Ending balance (in shares) at Jan. 31, 2026			67,659,100
Ending balance at Jan. 31, 2026	$ 4,322,713	4,323,275	$ 6,766	627,502	4,391,808	84,386	$ (787,187)	(562)
Ending balance (in shares) at Jan. 31, 2026	15,063,167						15,063,167
Beginning balance (in shares) at Oct. 31, 2025			67,659,100
Beginning balance at Oct. 31, 2025	$ 4,299,273	4,296,709	$ 6,766	620,301	4,401,356	30,240	$ (761,954)	2,564
Beginning balance (in shares) at Oct. 31, 2025							14,820,436
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 14,641	17,803			17,803			(3,162)
Purchase of treasury shares (in shares)	242,731						242,731
Purchases of treasury shares	$ (25,233)	(25,233)					$ (25,233)
Restricted stock unit activity	(746)	(746)		(746)
Dividends per common share	(27,351)	(27,351)			(27,351)
Stock-based compensation expense	7,947	7,947		7,947
Other comprehensive income (loss)	54,182	54,146				54,146		36
Ending balance (in shares) at Jan. 31, 2026			67,659,100
Ending balance at Jan. 31, 2026	$ 4,322,713	$ 4,323,275	$ 6,766	$ 627,502	$ 4,391,808	$ 84,386	$ (787,187)	$ (562)
Ending balance (in shares) at Jan. 31, 2026	15,063,167						15,063,167