Goodwill And Intangible Assets, Net (Summary Of Movement In Carrying Value Of Goodwill) (Details) - USD ($)	3 Months Ended	9 Months Ended
	Mar. 31, 2019	Mar. 31, 2019
Goodwill [Line Items]
Gross value, Beginning Balance		$ 304,013,000
Gross value, Continuing		189,852,000
Gross value, Discontinued		114,161,000
Gross value, Deconsolidation of DNI (Note 2)		(113,003,000)
Gross value, Amendment to DNI preliminary purchase price allocation (Note 2)		5,017,000
Gross value, Foreign currency adjustment		(10,730,000)
Gross value, Ending Balance	$ 185,297,000	185,297,000
Accumulated impairment, Beginning Balance		(20,773,000)
Accumulated impairment, Continuing		20,773,000
Accumulated impairment, Impairment of goodwill	0	(8,191,000)
Accumulated impairment, Foreign currency adjustment		166,000
Accumulated impairment, Ending Balance	(28,798,000)	(28,798,000)
Carrying value, Beginning Balance		283,240,000
Carrying value, Continuing		169,079,000
Carrying value, Discontinued		114,161,000
Carrying value, Impairment loss	0	(8,191,000)
Carrying value, Deconsolidation of DNI (Note 2)		(113,003,000)
Carrying value, Amendment to DNI preliminary purchase price allocation (Note 2)		5,017,000
Carrying value, Foreign currency adjustment		(10,564,000)
Carrying value, Ending Balance	$ 156,499,000	$ 156,499,000