Revenue Recognition - Schedule of Product and Market Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Net Sales by products	$ 699.4	$ 728.0	$ 2,148.6	$ 2,259.7
Modern Markets
Disaggregation of Revenue [Line Items]
Net Sales by products	105.5	110.9	370.8	391.4
Developing Markets
Disaggregation of Revenue [Line Items]
Net Sales by products	92.5	96.4	297.3	311.7
Distributors Markets
Disaggregation of Revenue [Line Items]
Net Sales by products	47.0	48.6	138.9	157.9
North America
Disaggregation of Revenue [Line Items]
Net Sales by products	454.4	472.1	1,341.6	1,398.7
Batteries
Disaggregation of Revenue [Line Items]
Net Sales by products	488.8	500.1	1,608.4	1,690.3
Auto Care
Disaggregation of Revenue [Line Items]
Net Sales by products	188.1	196.4	459.8	471.4
Lights
Disaggregation of Revenue [Line Items]
Net Sales by products	$ 22.5	$ 31.5	$ 80.4	$ 98.0