v3.26.3
Divestitures and Assets and Liabilities Held for Sale - Additional Information (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2026
Sep. 30, 2025
Disposal Group, Including Discontinued Operations [Line Items]      
Loss on disposal groups   $ 30.9 $ 42.3
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Indian Motorcycle Business      
Disposal Group, Including Discontinued Operations [Line Items]      
Loss on disposal groups   14.0  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Transition Services And Supply Agreement      
Disposal Group, Including Discontinued Operations [Line Items]      
Sales   80.7  
Cost reimbursements   48.9  
Costs incurred   120.3  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Transition Services And Supply Agreement | Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold      
Disposal Group, Including Discontinued Operations [Line Items]      
Cost reimbursements   8.9  
Costs incurred   101.6  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Transition Services And Supply Agreement | Income Statement Location [Axis]: us-gaap:OperatingExpenses      
Disposal Group, Including Discontinued Operations [Line Items]      
Costs incurred   18.7  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Transition Services And Supply Agreement | Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense      
Disposal Group, Including Discontinued Operations [Line Items]      
Cost reimbursements   40.0  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | PG&A Assets      
Disposal Group, Including Discontinued Operations [Line Items]      
Loss on disposal groups   $ 17.0  
Disposal Group, Held-for-Sale, Not Discontinued Operations | Transition Services And Supply Agreement      
Disposal Group, Including Discontinued Operations [Line Items]      
Sales $ 16.2    
Cost reimbursements 12.8    
Costs incurred 25.8    
Disposal Group, Held-for-Sale, Not Discontinued Operations | Transition Services And Supply Agreement | Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold      
Disposal Group, Including Discontinued Operations [Line Items]      
Cost reimbursements 0.7    
Costs incurred 19.8    
Disposal Group, Held-for-Sale, Not Discontinued Operations | Transition Services And Supply Agreement | Income Statement Location [Axis]: us-gaap:OperatingExpenses      
Disposal Group, Including Discontinued Operations [Line Items]      
Costs incurred 6.0    
Disposal Group, Held-for-Sale, Not Discontinued Operations | Transition Services And Supply Agreement | Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense      
Disposal Group, Including Discontinued Operations [Line Items]      
Cost reimbursements $ 12.1