v3.26.1
Amortized Cost Basis for Finance Receivables that are on Non-accrual Status (Detail) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Amortized cost basis with a specific reserve $ 211.7 $ 138.0
Amortized cost basis with no specific reserve 18.1 1.4
Total 229.8 139.4
Customer Retail | Fleet    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Amortized cost basis with a specific reserve 207.4 132.5
Amortized cost basis with no specific reserve 17.3 0.7
Total 224.7 133.2
Customer Retail | Owner/Operator    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Amortized cost basis with a specific reserve 4.3 5.5
Amortized cost basis with no specific reserve 0.8 0.7
Total $ 5.1 $ 6.2