Property and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment	$ 281.4	$ 273.3
Accumulated depreciation	(196.9)	(190.7)
Total	84.5	82.6
Depreciation	38.0	32.5	$ 27.9
Selling, General and Administrative Expenses
Property, Plant and Equipment [Line Items]
Depreciation	35.9	30.5	26.5
Cost of Sales [Member]
Property, Plant and Equipment [Line Items]
Depreciation	2.1	2.0	$ 1.4
Computer hardware and software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	209.2	198.2
Furniture, fixtures and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	41.0	36.0
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	25.6	25.8
Work-in-progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 5.6	$ 13.3