Summary of Significant Accounting Policies - Property and Equipment, Net by Geography (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	$ 171.3	$ 185.3
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	139.0	146.9
France
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	17.3	19.8
All other international
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	$ 15.0	$ 18.6