Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and equipment	$ 380.9	$ 354.9
Accumulated depreciation and amortization	(226.4)	(191.8)
Property and equipment, net	154.5	163.1
Computer equipment
Property, Plant and Equipment [Line Items]
Property and equipment	256.6	238.3
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property and equipment	90.5	84.8
Furniture, fixtures and other equipment
Property, Plant and Equipment [Line Items]
Property and equipment	12.1	12.4
Land
Property, Plant and Equipment [Line Items]
Property and equipment	11.9	11.9
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment	$ 9.8	$ 7.5

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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