DEBT - Short-Term Debt (Details) - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Short-term Debt [Line Items]
Short-term debt	$ 0	$ 0
Weighted-average interest rate	0.00%	0.00%
Short-term Lines of Credit
Short-term Debt [Line Items]
Borrowing capacity	$ 49,200,000	$ 43,100,000
Short-term debt	0	0
Letter of credit
Short-term Debt [Line Items]
Undrawn letters of credit	7,200,000	14,300,000
Bank Guarantee
Short-term Debt [Line Items]
Undrawn letters of credit	$ 16,300,000	$ 17,200,000
Minimum | Short-term Lines of Credit
Short-term Debt [Line Items]
Interest rate spread	4.80%	1.20%
Maximum | Short-term Lines of Credit
Short-term Debt [Line Items]
Interest rate spread	16.40%	15.90%