Basis Of Presentation And Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	9 Months Ended
	Feb. 28, 2018	Jun. 28, 2020	Oct. 01, 2019
Significant Accounting Policies [Line Items]
Right-of-use lease assets		$ 92.4
Lease liabilities		$ 99.5
Average discount rate		4.62%
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201802Member
Accounting Standards Update 2016-02
Significant Accounting Policies [Line Items]
Right-of-use lease assets			$ 107.5
Lease liabilities			113.0
Deferred tax assets and tax liabilities			$ 29.7
Average discount rate			4.60%
Accounting Standards Update 2018-02
Significant Accounting Policies [Line Items]
Reclassification from AOCI to retained earnings		$ 0.3
SB/RH
Significant Accounting Policies [Line Items]
Right-of-use lease assets		$ 92.4