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Goodwill and Other Intangible Assets and Long-Lived Assets (Schedule Of Estimated Amortization Expense) (Details)
$ in Millions
Mar. 31, 2016
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
For the year ended 2017 $ 27.6
For the year ended 2018 23.5
For the year ended 2019 23.1
For the year ended 2020 22.4
For the year ended 2021 20.8
Thereafter $ 175.3