Supplemental Cash Flow Information (Schedule Of Disaggregation Of Cash, Cash Equivalents And Restricted Cash) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019		Jun. 30, 2018		Jun. 30, 2017	[1]
Cash And Cash Equivalents [Line Items]
Cash and cash equivalents	$ 217,671	$ 46,065		$ 90,054
Restricted cash	14,814	75,446		0
Cash, cash equivalents and restricted cash	232,485	121,511	[1]	90,054	[1]	$ 258,457
Continuing [Member]
Cash And Cash Equivalents [Line Items]
Cash and cash equivalents	217,671	20,014		57,607
Discontinued [Member]
Cash And Cash Equivalents [Line Items]
Cash and cash equivalents	$ 0	$ 26,051		$ 32,447

[1] Certain amounts have been restated to correct the misstatement discussed in Note 1