PREPAID EXPENSES AND OTHER ASSETS - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Schedule of Equity Method Investments [Line Items]
OpenText share in net income of equity investees	$ 5,216	$ 1,538	$ 7,633	$ 1,993
Limited Partner Investments | Minimum
Schedule of Equity Method Investments [Line Items]
Ownership by noncontrolling owners (as a percent)	4.00%		4.00%
Limited Partner Investments | Maximum
Schedule of Equity Method Investments [Line Items]
Ownership by noncontrolling owners (as a percent)	20.00%		20.00%