Special Charges (Schedule of Restructuring Activity) (Details) $ in Millions	3 Months Ended
Dec. 31, 2018 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	$ (0.5)
Restructuring Reserve [Roll Forward]
Beginning Balance	8.5
Expenses	3.2
Cash Payments	(6.2)
Ending Balance	$ 5.0

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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