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Income Taxes
3 Months Ended
Mar. 31, 2024
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation
THREE MONTHS ENDED
MARCH 31
20242023
Income before income taxes$76.9 $35.9 
Statutory taxes (21%)$16.1 $7.5 
Interim adjustment0.2 (0.3)
Permanent adjustments:
Valuation allowance5.3 (0.4)
Other3.4 1.7 
Discrete items0.1 0.2 
Income tax expense$25.1 $8.7 
Reported income tax rate32.6 %24.2 %
In 2024, the Company’s reported income tax rate for the current year differs from the U.S. federal statutory rate primarily as a result of recording an additional valuation allowance attributable to the capitalization of research and development expenses under current U.S. tax rules.
In 2023, the Company's reported income tax rate assumed that a significant portion of its net operating loss carryforwards would be utilized in 2023 along with the release of the associated valuation allowances. This release was offset by the capitalization of research and development expenses under U.S. tax rules for which a valuation allowance was provided. The net of these items is included in the valuation allowance line in the table above.