DEBT - Short-Term Debt (Details) - USD ($)	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
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	$ 43,100,000	$ 88,500,000
Short-term debt	0	0
Letter of credit
Short-term Debt [Line Items]
Undrawn letters of credit	14,300,000	15,000,000.0
Bank Guarantee
Short-term Debt [Line Items]
Undrawn letters of credit	$ 17,200,000	$ 31,200,000
Minimum | Short-term Lines of Credit
Short-term Debt [Line Items]
Interest rate spread	1.20%	0.40%
Maximum | Short-term Lines of Credit
Short-term Debt [Line Items]
Interest rate spread	15.90%	2.20%