OTHER INCOME (EXPENSE), NET - Schedule of Other Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Other Income and Expenses [Abstract]
Foreign exchange gains (losses)	$ (3,248)	$ (5,766)	$ (3,258)	$ (9,073)
OpenText share in net income of equity investees (note 9)	11,765	4,527	20,020	6,475
Loss on extinguishment of debt	0	(17,854)	0	(17,854)
Other miscellaneous income (expense)	(234)	170	(345)	716
Total other income (expense), net	$ 8,283	$ (18,923)	$ 16,417	$ (19,736)

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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