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Goodwill and Other Intangible Assets (Schedule Of Estimated Amortization Expense) (Details)
$ in Thousands
Jun. 30, 2016
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2016 $ 38,315
2017 37,777
2018 37,777
2019 37,772
2020 $ 37,762