Fair Value Measurement of Assets and Liabilities - Schedule of Fair Value Liabilities Measured on Recurring Basis (Detail) $ in Millions	6 Months Ended
	Jun. 30, 2024 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Acquisition Integration Divestiture And Related Expenses
Fair Value Measurements at Reporting Date Using: Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Beginning balance December 31, 2023	$ 141.7
New contingent consideration related to acquisitions	17.8
Change in estimates	1.0
Settlements	(26.7)
Foreign currency impact	0.1
Ending balance June 30, 2024	$ 134.0