Leases (Narrative) (Details) $ in Millions	3 Months Ended	6 Months Ended
	Mar. 29, 2020 USD ($)	Mar. 29, 2020 USD ($)
Operating leases, not recognized and will commence	$ 1.7	$ 1.7
Lease and sub-lease income	0.5	$ 1.0
Maximum [Member]
Lease expiration		Feb. 28, 2047
Energizer [Member]
Sub-lease income	$ 0.3	$ 0.6