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Pension Benefits (Plans With Benefit Obligations In Excess Of The Fair Value Of Plan Assets) (Details) - Defined Benefit Pension Plans [Member] - USD ($)
$ in Thousands
Jun. 30, 2019
Jun. 30, 2018
Defined Benefit Plan Disclosure [Line Items]    
Benefit obligations $ 36,167 $ 6,012
Fair value of plan assets at end of year $ 34,124 $ 4,700