v3.26.1
Debt (Details)
$ in Millions
Jun. 30, 2026
USD ($)
Rate
Dec. 31, 2025
USD ($)
Debt Instrument [Line Items]    
Long-Term Debt, Gross $ 362.2 $ 347.4
Long-Term Debt and Lease Obligation, Current (0.6) (0.6)
Long-term debt 360.5 345.5
Long-Term Debt and Lease Obligation 361.6 346.8
Unamortized Debt Issuance Expense (1.1) (1.3)
Long-Term Debt 273.9 273.7
Finance Lease, Liability 8.2 8.4
Long-Term Debt and Lease Obligation, Including Current Maturities 361.1 346.1
Line of Credit Facility, Maximum Borrowing Capacity 259.3  
Potential additional lines of credit 60.0  
Long-Term Line of Credit 82.8  
Letters of Credit Outstanding, Amount 3.8  
Line of Credit Facility, Remaining Borrowing Capacity 197.7  
TermRevolverSpringingMaturityAdditionalAmountThreshold 50.0  
JPMorgan Chase Bank    
Debt Instrument [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity 375.0  
Potential additional lines of credit 100.0  
LineOfCreditFacilityCovenantMinimumMonetaryAvailability 25.0  
LineOfCreditFacilityCovenantMaximumMonetaryAvailability $ 375.0  
JPMorgan Chase Bank | Minimum    
Debt Instrument [Line Items]    
Ratio of Indebtedness to Net Capital 1.10  
JPMorgan Chase Bank | Maximum    
Debt Instrument [Line Items]    
Ratio of Indebtedness to Net Capital 1.00  
Senior Notes    
Debt Instrument [Line Items]    
Long-Term Debt, Percentage Bearing Fixed Interest, Percentage Rate | Rate 4.75%  
Long-Term Debt, Gross $ 275.0 275.0
Unamortized Debt Issuance Expense (1.1) (1.3)
JPMorgan Chase Bank    
Debt Instrument [Line Items]    
Long-Term Debt $ 79.0 $ 64.0
Long-Term Debt, Percentage Bearing Variable Interest, Percentage Rate | Rate 5.00%