ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 3,983,398	$ 3,600,654	$ 2,948,106
Total other comprehensive income (loss), net of tax	(26,011)	112,682	(227,661)
Ending balance	4,074,053	3,983,398	3,600,654
Foreign Currency Translation Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(68,911)	(183,453)	54,152
OCI before reclassifications	(25,073)	114,542	(237,605)
Income taxes associated with OCI before reclassifications	0	0	0
Amounts reclassified from AOCI	0	0	0
Income taxes associated with amounts reclassified from AOCI	0	0	0
Total other comprehensive income (loss), net of tax	(25,073)	114,542	(237,605)
Ending balance	(93,984)	(68,911)	(183,453)
Unrealized Gain (Loss) on Derivatives
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	0	675	(8,655)
OCI before reclassifications	0	847	3,775
Income taxes associated with OCI before reclassifications	0	(203)	(866)
Amounts reclassified from AOCI	0	(1,732)	8,502
Income taxes associated with amounts reclassified from AOCI	0	413	(2,081)
Total other comprehensive income (loss), net of tax	0	(675)	9,330
Ending balance	0	0	675
Other
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	364	1,171	(876)
OCI before reclassifications	(86)	(807)	2,047
Income taxes associated with OCI before reclassifications	0	0	0
Amounts reclassified from AOCI	0	0	0
Income taxes associated with amounts reclassified from AOCI	0	0	0
Total other comprehensive income (loss), net of tax	(86)	(807)	2,047
Ending balance	278	364	1,171
AOCI, net of tax, Attributable to THOR
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(68,547)	(181,607)	44,621
OCI before reclassifications	(25,159)	114,582	(231,783)
Income taxes associated with OCI before reclassifications	0	(203)	(866)
Amounts reclassified from AOCI	0	(1,732)	8,502
Income taxes associated with amounts reclassified from AOCI	0	413	(2,081)
Total other comprehensive income (loss), net of tax	(25,159)	113,060	(226,228)
Ending balance	(93,706)	(68,547)	(181,607)
Non-controlling Interests
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(2,583)	(2,205)	(772)
OCI before reclassifications	(852)	(378)	(1,433)
Income taxes associated with OCI before reclassifications	0	0	0
Amounts reclassified from AOCI	0	0	0
Income taxes associated with amounts reclassified from AOCI	0	0	0
Total other comprehensive income (loss), net of tax	(852)	(378)	(1,433)
Ending balance	(3,435)	(2,583)	(2,205)
Total AOCI
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(71,130)	(183,812)	43,849
OCI before reclassifications	(26,011)	114,204	(233,216)
Income taxes associated with OCI before reclassifications	0	(203)	(866)
Amounts reclassified from AOCI	0	(1,732)	8,502
Income taxes associated with amounts reclassified from AOCI	0	413	(2,081)
Total other comprehensive income (loss), net of tax	(26,011)	112,682	(227,661)
Ending balance	$ (97,141)	$ (71,130)	$ (183,812)