Fair Value Measurements - Contingent Consideration (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Contingent consideration, current	$ 0.6
Contingent consideration, noncurrent	41.6
Contingent Consideration
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	43.9	$ 8.5
Acquisitions	13.5	36.1
Changes in fair value	7.3	0.8
Payments	(23.2)	(1.8)
Foreign currency translation and other	0.7	0.3
Balance at end of period	$ 42.2	$ 43.9