Commitments And Contingencies (Narrative) (Details) - USD ($) $ in Millions	Mar. 29, 2020	Sep. 30, 2019	Aug. 16, 2019
Commitments And Contingencies [Abstract]
Estimated cost associated with shareholder litigation			$ 1.1
Estimated costs associated with environmental remediation activities	$ 11.5	$ 12.2
Product liability accruals	6.0	5.9
Product warranty accruals	$ 7.0	$ 7.2

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Present value of the estimated aggregate accrual for damages arising from third-party use of the entity's product(s) or process(es) as of the balance sheet date (if the accrual qualifies for discounting).

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

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