Summary of Significant Accounting Policies - Summary of Property and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Property and equipment	$ 526.9	$ 488.2
Land
Property, Plant and Equipment [Line Items]
Property and equipment	0.5	0.4
Buildings
Property, Plant and Equipment [Line Items]
Property and equipment	6.3	6.0
Furniture, Fixtures, and Autos
Property, Plant and Equipment [Line Items]
Property and equipment	153.5	145.6
Computer Equipment
Property, Plant and Equipment [Line Items]
Property and equipment	107.9	106.1
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Property and equipment	$ 258.7	$ 230.1