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Goodwill and Other Intangible Assets (Schedule Of Estimated Amortization Expense) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
2015 $ 38,791us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
2016 37,390us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2017 37,390us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2018 37,390us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
2019 $ 37,387us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive