Severance, Impairment And Other Charges (Schedule Of Restructuring Reserve Reconciliation) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2019
Severance And Other Charges [Abstract]
Balance at beginning of year		$ 44	$ 675
Accruals - Severance Related	$ 590	1,061	135
Accruals / Adjustments - Court Award / Settlement			(609)
Payments		(957)	(157)
Balance at end of year		$ 148	$ 44

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
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-Section 50
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration