Goodwill And Other Intangible Assets (Summary Of Other Intangible Assets) (Details) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2020	Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]
Net carrying value	$ 61,172	$ 65,216
Tradenames (20 to 30-year life) [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	62,531	63,121
Accumulated amortization	(11,141)	(9,925)
Net carrying value	51,390	53,196
Customer Relationships (2 to 15-year life) [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	17,507	17,507
Accumulated amortization	(12,210)	(11,094)
Net carrying value	5,297	6,413
Technology / Know-how (10-year life) [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	8,020	8,950
Accumulated amortization	(3,568)	(3,396)
Net carrying value	$ 4,452	5,554
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	791
Accumulated amortization	(158)	(738)
Net carrying value	$ 33	$ 53
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