INCOME TAXES (Changes in Valuation Allowances) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Valuation Allowance [Roll Forward]
Balance at beginning of year	$ 34,912	$ 20,831
Balance at end of year	41,941	34,912
Valuation allowance for deferred tax assets
Valuation Allowance [Roll Forward]
Charged to costs and expenses	7,391	17,773
Additions charged to income tax expense
Valuation Allowance [Roll Forward]
Change in valuation allowance	7,391	17,773
Reductions credited to income tax expense
Valuation Allowance [Roll Forward]
Change in valuation allowance	35	(3,231)
Currency translation adjustments
Valuation Allowance [Roll Forward]
Change in valuation allowance	$ (397)	$ (461)