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 (loss)	Treasury Stock	Non-controlling interests
Beginning balance (in shares) at Jul. 31, 2022			66,059,403
Beginning balance, treasury stock (in shares) at Jul. 31, 2022							12,382,441
Balance at beginning of period, net of tax at Jul. 31, 2022	$ 3,600,654	$ 3,592,862	$ 6,606	$ 497,946	$ 3,813,261	$ (181,607)	$ (543,344)	$ 7,792
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	137,423	136,185			136,185			1,238
Purchase of treasury shares (in shares)							338,733
Purchase of treasury shares	(25,407)	(25,407)					$ (25,407)
Restricted stock unit activity (in shares)			266,732				91,845
Restricted stock unit activity	(3,497)	(3,497)	$ 27	3,241			$ (6,765)
Dividends per common share	(24,081)	(24,081)			(24,081)
Stock-based compensation expense	8,392	8,392		8,392
Other comprehensive income (loss)	(42,525)	(42,091)				(42,091)		(434)
Ending balance (in shares) at Oct. 31, 2022			66,326,135
Ending balance, treasury stock (in shares) at Oct. 31, 2022							12,813,019
Balance at end of period, net of tax at Oct. 31, 2022	$ 3,650,959	3,642,363	$ 6,633	509,579	3,925,365	(223,698)	$ (575,516)	8,596
Beginning balance (in shares) at Jul. 31, 2023			66,344,340
Beginning balance, treasury stock (in shares) at Jul. 31, 2023	13,030,030						13,030,030
Balance at beginning of period, net of tax at Jul. 31, 2023	$ 3,983,398	3,976,015	$ 6,634	539,032	4,091,563	(68,547)	$ (592,667)	7,383
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 55,033	53,565			53,565			1,468
Purchase of treasury shares (in shares)	327,876						327,876
Purchase of treasury shares	$ (30,037)	(30,037)					$ (30,037)
Restricted stock unit activity (in shares)			342,158				122,120
Restricted stock unit activity	(9,071)	(9,071)	$ 35	2,007			$ (11,113)
Dividends per common share	(25,539)	(25,539)			(25,539)
Stock-based compensation expense	10,452	10,452		10,452
Other comprehensive income (loss)	$ (60,646)	(59,924)				(59,924)		(722)
Ending balance (in shares) at Oct. 31, 2023			66,686,498
Ending balance, treasury stock (in shares) at Oct. 31, 2023	13,480,026						13,480,026
Balance at end of period, net of tax at Oct. 31, 2023	$ 3,923,590	$ 3,915,461	$ 6,669	$ 551,491	$ 4,119,589	$ (128,471)	$ (633,817)	$ 8,129