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Pension Benefits (Amounts Recognized In Accumulated Other Comprehensive Loss) (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Defined Benefit Plan Disclosure [Line Items]      
Total $ 12,070 $ 10,308 $ 8,259
Defined Benefit Pension Plans [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Net actuarial loss 17,170 15,145  
Income taxes (4,013) (3,539)  
Total $ 13,157 $ 11,606