Debt (Schedule Of Debt) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Jun. 30, 2018
Debt [Abstract]
Short-term debt	$ 12,000	$ 12,000
Deferred borrowing costs	(22)	(534)
Short-term debt, net	11,978	11,466
Long-term debt	1,189,404	272,000
Deferred borrowing costs	(3,904)	(2,012)
Long-term debt, net	1,185,500	269,988
Total debt	$ 1,197,478	$ 281,454