Income Taxes (Details) $ in Millions	6 Months Ended
	Jun. 30, 2024 USD ($)
Income Taxes
Deferred tax assets, net	$ 226.8
Liability for unrecognized tax benefits	26.3
Research and development tax credit studies	$ 6.6
Effective tax rate (as a percentage)	19.60%
Effective tax rate, estimate before discrete adjustments (as a percentage)	22.90%
Discrete tax benefit, stock-based compensation	$ 7.5