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Goodwill And Other Intangible Assets (Summary Of Other Intangible Assets) (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2017
Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items]    
Net carrying value $ 59,195 $ 60,162
Tradenames (20 to 30-year life) [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying value 50,321 50,321
Accumulated amortization (3,615) (3,130)
Net carrying value 46,706 47,191
Trademarks (40-year life) [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying value 370 370
Accumulated amortization (244) (241)
Net carrying value $ 126 129
Finite-lived other intangible assets useful life (in years) 40 years  
Customer Relationships (10 to 15-year life) [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying value $ 14,207 14,207
Accumulated amortization (7,441) (7,160)
Net carrying value 6,766 7,047
Technology / Know-how (10-year life) [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying value 6,350 6,350
Accumulated amortization (1,206) (1,047)
Net carrying value $ 5,144 5,303
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 $ 791 791
Accumulated amortization (338) (299)
Net carrying value $ 453 $ 492
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 (10 to 15-year life) [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived other intangible assets useful life (in years) 10 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 (10 to 15-year life) [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived other intangible assets useful life (in years) 15 years