Other Liabilities (Schedule Of Other Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Other Liabilities [Abstract]
Environmental	$ 22.3	$ 31.9
Other	62.3	75.8
Other liabilities	$ 84.6	$ 107.7

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.

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