Basis Of Presentation And Significant Accounting Policies (Summary Of Transactions Related Charges) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Business Acquisition [Line Items]
Total transaction-related charges	$ 6.1	$ 4.8	$ 17.4	$ 16.4
Omega Sea acquisition
Business Acquisition [Line Items]
Total transaction-related charges	0.1	0.0	1.5	0.0
Other
Business Acquisition [Line Items]
Total transaction-related charges	1.8	1.5	4.9	10.6
Coevorden operations divestiture
Business Acquisition [Line Items]
Total transaction-related charges	1.7	0.0	3.4	0.0
GBL divestiture
Business Acquisition [Line Items]
Total transaction-related charges	$ 2.5	$ 3.3	$ 7.6	$ 5.8