Goodwill And Other Intangible Assets (Summary Of Other Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2023	Jun. 30, 2023
Finite-Lived Intangible Assets [Line Items]
Net carrying value	$ 4,708	$ 4,840
Tradenames (20 to 30-year life) [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	4,100	4,100
Accumulated amortization	(244)	(181)
Net carrying value	3,856	3,919
Customer Relationships (10-year life) [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	287	287
Accumulated amortization	(198)	(190)
Net carrying value	$ 89	97
Finite-lived other intangible assets useful life (in years)	10 years
Technology / Know-how (10-year life) [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	$ 2,450	2,450
Accumulated amortization	(1,687)	(1,626)
Net carrying value	$ 763	$ 824
Finite-lived other intangible assets useful life (in years)	10 years
Minimum [Member] | Tradenames (20 to 30-year life) [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived other intangible assets useful life (in years)	20 years
Maximum [Member] | Tradenames (20 to 30-year life) [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived other intangible assets useful life (in years)	30 years