STOCKHOLDERS' EQUITY (Narrative) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 21, 2017
Equity [Abstract]
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Authorized amount			$ 250,000,000
Number of shares repurchased (in shares)	2,551,000
Shares repurchased	$ 60,171,000
Average cost (USD per share)	$ 23.59
Remaining authorized repurchase amount	$ 189,829,000