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Income Taxes - Schedule of Reconciliation of Effective Tax Rate on Net Income (Loss) and Federal Statutory Tax Rate (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Amount      
Income tax at federal statutory rate $ 72.7 $ 70.0 $ 63.7
Stock compensation (1.1) (0.5) 0.3
Other permanent items 2.3 1.8 1.3
Change in valuation allowance 0.0 0.0 (0.1)
Change in uncertain tax positions 0.5 0.2 (0.5)
State and local income taxes, net of federal benefit 15.4 17.9 15.2
Total tax expense $ 89.8 $ 89.4 $ 79.9
Percent      
Income tax at federal statutory rate 21.00% 21.00% 21.00%
Stock compensation (0.30%) (0.20%) 0.10%
Other permanent items 0.70% 0.50% 0.40%
Change in valuation allowance 0.00% 0.00% (0.10%)
Change in uncertain tax positions 0.10% 0.10% (0.10%)
State and local income taxes, net of federal benefit 4.40% 5.40% 5.00%
Total tax expense 25.90% 26.80% 26.30%