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GOODWILL AND INTANGIBLE ASSETS (Schedule Of Estimated Amortization) (Details)
$ in Millions
Mar. 31, 2018
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2019 $ 53.9
2020 50.9
2021 43.5
2022 41.8
2023 $ 41.8