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Inventory (Schedule Of Inventories) (Details) - USD ($)
$ in Millions
Sep. 30, 2018
Sep. 30, 2017
Inventory [Abstract]    
Raw materials $ 70.3 $ 73.0
Work-in-process 35.3 33.6
Finished goods 478.0 481.2
Inventories $ 583.6 $ 587.8