v3.23.1
Segments - Reconciliation of Assets from Segment to Consolidated (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Sep. 30, 2022
Segment Reporting, Asset Reconciling Item [Line Items]    
Goodwill and other intangible assets $ 2,286.8 $ 2,298.9
Total assets 4,436.0 4,572.1
Operating Segments    
Segment Reporting, Asset Reconciling Item [Line Items]    
Tangible assets 1,720.1 1,819.7
Operating Segments | Batteries & Lights    
Segment Reporting, Asset Reconciling Item [Line Items]    
Tangible assets 1,250.2 1,366.0
Operating Segments | Auto Care    
Segment Reporting, Asset Reconciling Item [Line Items]    
Tangible assets 469.9 453.7
Corporate    
Segment Reporting, Asset Reconciling Item [Line Items]    
Tangible assets $ 429.1 $ 453.5