Acquisitions, Dispositions And Discontinued Operations (Impact Of Reversal On Condensed Consolidated Statement Of Operation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019		Jun. 30, 2018	[1]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Reversal of intangible asset amortization - decrease depreciation and amortization	$ 4,647	$ 12,103	[1]	$ 10,473
Deferred tax impact related to reversal of intangible asset amortization - decrease income tax benefit	$ 2,656	(5,072)	[1]	$ 45,106
DNI [Member] | Customer Relationships [Member] | Restatement Adjustment [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Reversal of intangible asset amortization - decrease depreciation and amortization		506
Deferred tax impact related to reversal of intangible asset amortization - decrease income tax benefit		142
Increase in non-controlling interest		$ 164

[1] Refer to Note 1