FINANCIAL INSTRUMENTS MEASURED AT FAIR VALUE (Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020
Assets:
Cash equivalents		$ 7
Derivative financial instruments	$ 602	1,014
Equity investment	544	562
Assets total	1,146	1,583
Liabilities:
Derivative financial instruments	16,608	6,405
Liabilities total	16,608	6,405
Quoted prices in active markets (Level 1)
Assets:
Cash equivalents		7
Derivative financial instruments	0	0
Equity investment	544	562
Assets total	544	569
Liabilities:
Derivative financial instruments	0	0
Liabilities total	0	0
Significant other observable inputs (Level 2)
Assets:
Cash equivalents		0
Derivative financial instruments	602	1,014
Equity investment	0	0
Assets total	602	1,014
Liabilities:
Derivative financial instruments	16,608	6,405
Liabilities total	16,608	6,405
Significant unobservable inputs (Level 3)
Assets:
Cash equivalents		0
Derivative financial instruments	0	0
Equity investment	0	0
Assets total	0	0
Liabilities:
Derivative financial instruments	0	0
Liabilities total	$ 0	$ 0