Basis Of Presentation And Summary Of Significant Accounting Policies (Impact Of Restatement On Comprehensive (Loss) Income) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019		Mar. 31, 2020	Mar. 31, 2019
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Net loss	$ 34,881	$ 59,547	[1]	$ 39,478	$ 125,620	[1]
Total other comprehensive income (loss), net of taxes	$ (26,984)	(2,510)	[1]	$ (22,150)	(20,755)	[1]
DNI Discontinued Operations Presentation [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Net loss		59,547			125,620
Release of foreign currency translation reserve related to disposal of DNI		5,841			5,841
Total other comprehensive income (loss), net of taxes		(2,510)			(20,755)
DNI Discontinued Operations Presentation [Member] | Scenario Previously Reported [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Net loss		55,512			121,585
Release of foreign currency translation reserve related to disposal of DNI		1,806			1,806
Total other comprehensive income (loss), net of taxes		(6,545)			(24,790)
DNI Discontinued Operations Presentation [Member] | Restatement Adjustment [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Net loss		4,035			4,035
Release of foreign currency translation reserve related to disposal of DNI		4,035			4,035
Total other comprehensive income (loss), net of taxes		$ 4,035			$ 4,035

[1] Refer to Note 1