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Income Taxes (Tables)
 3 Months Ended
Mar. 31, 2025
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation
The following table shows our effective tax rate for the three months ended March 31, 2025 and March 31, 2024:

 Three months ended March 31,
(in millions)20252024
Income before income taxes and equity in investments of unconsolidated entities$108.5 $87.0 
Equity in investments of unconsolidated entities(2.6)(1.5)
Income before income taxes$105.9 $85.5 
Income tax expense$27.4 $21.3 
Effective tax rate25.9 %24.9 %
Schedule of Gross Unrecognized Tax Benefits
The table below provides information concerning our gross unrecognized tax benefits as of March 31, 2025 and December 31, 2024, as well as the effect these gross unrecognized tax benefits would have on our income tax expense, if they were recognized.

(in millions)As of March 31, 2025As of December 31, 2024
Gross unrecognized tax benefits$11.8 $11.1 
Gross unrecognized tax benefits that would affect income tax expense$11.8 $11.1 
Decrease in income tax expense upon recognition of gross unrecognized tax benefits$11.5 $10.9 
Schedule of Liabilities for Unrecognized Tax Benefits
Our Unaudited Consolidated Balance Sheets include the following liabilities for unrecognized tax benefits. These amounts include interest and penalties, less any associated tax benefits.

Liabilities for Unrecognized Tax Benefits (in millions)As of March 31, 2025As of December 31, 2024
Current liability$0.1 $0.1 
Non-current liability12.5 11.7 
Total liability for unrecognized tax benefits$12.6 $11.8