Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Increase (Decrease) in Stockholders' Equity
Beginning Balance	$ 2,684.3	$ 1,625.2
Other comprehensive income (loss)	67.9	(36.8)
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	0.9	0.5
Net current-period other comprehensive income, net of taxes	68.8	(36.3)
Ending Balance	2,939.0	2,684.3
Accumulated other comprehensive income (loss)
Increase (Decrease) in Stockholders' Equity
Beginning Balance	(58.0)	(21.7)
Ending Balance	10.8	(58.0)
Foreign currency translation adjustments
Increase (Decrease) in Stockholders' Equity
Beginning Balance	(50.5)	(15.2)
Other comprehensive income (loss)	63.7	(35.3)
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	0.0	0.0
Net current-period other comprehensive income, net of taxes	63.7	(35.3)
Ending Balance	13.2	(50.5)
Pension liability adjustments, net of taxes
Increase (Decrease) in Stockholders' Equity
Beginning Balance	(7.5)	(6.5)
Other comprehensive income (loss)	4.2	(1.5)
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	0.9	0.5
Net current-period other comprehensive income, net of taxes	5.1	(1.0)
Ending Balance	$ (2.4)	$ (7.5)