Property, Plant And Equipment (Schedule Of Property, Plant And Equipment) (Details) - USD ($) $ in Millions	12 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 882.4	$ 834.2
Accumulated depreciation	(382.4)	(335.2)
Property, plant and equipment, net	500.0	499.0
Depreciation expense	72.3	74.6	$ 65.1
Land, Buildings And Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	161.2	158.4
Machinery, Equipment And Other [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	489.3	434.7
Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	199.6	198.3
Construction In Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 32.3	$ 42.8

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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