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Debt (Schedule Of Debt) (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Jun. 30, 2018
Debt [Abstract]    
Short-term debt $ 12,000 $ 12,000
Deferred borrowing costs (25) (534)
Short-term debt, net 11,975 11,466
Long-term debt 520,000 272,000
Deferred borrowing costs (2,363) (2,012)
Long-term debt, net 517,637 269,988
Total debt $ 529,612 $ 281,454