Goodwill And Other Intangible Assets (Summary Of Other Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Jun. 30, 2021
Finite-Lived Intangible Assets [Line Items]
Net carrying value	$ 57,625	$ 58,766
Tradenames (20 to 30-year life) [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	62,531	62,531
Accumulated amortization	(13,064)	(12,421)
Net carrying value	49,467	50,110
Customer Relationships (2 to 15-year life) [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	17,007	17,507
Accumulated amortization	(12,763)	(12,912)
Net carrying value	4,244	4,595
Technology / Know-how (10-year life) [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	8,020	8,020
Accumulated amortization	(4,111)	(3,973)
Net carrying value	$ 3,909	4,047
Finite-lived other intangible assets useful life (in years)	10 years
Non-compete Agreements (5-year life) [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	$ 191	191
Accumulated amortization	(186)	(177)
Net carrying value	$ 5	$ 14
Finite-lived other intangible assets useful life (in years)	5 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
Minimum [Member] | Customer Relationships (2 to 15-year life) [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived other intangible assets useful life (in years)	2 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
Maximum [Member] | Customer Relationships (2 to 15-year life) [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived other intangible assets useful life (in years)	15 years