Property and Equipment Property and Equipment breakout (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property and Equipment [Line Items]
Property and equipment, gross	$ 55.9	$ 63.0
Accumulated depreciation, depletion and amortization, property and equipment	41.2	43.9
Property and equipment, net	14.7	19.1
Payments to develop software	2.3	3.2
Cloud computing arrangements	43.9	50.2
Amortization of cloud computing arrangements	14.2	9.0	$ 5.3
Depreciation	7.4	8.2	$ 9.0
Furniture and equipment
Property and Equipment [Line Items]
Property and equipment, gross	3.3	3.4
Leasehold improvements
Property and Equipment [Line Items]
Property and equipment, gross	5.0	5.5
Computer and software
Property and Equipment [Line Items]
Property and equipment, gross	46.8	53.3
Automobiles
Property and Equipment [Line Items]
Property and equipment, gross	$ 0.8	$ 0.8

Amount related to Cloud Computing Arrangements.

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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 of expense for amortization of capitalized computer software costs.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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The cash outflow associated with the development or modification of software programs or applications for internal use (that is, not to be sold, leased or otherwise marketed to others) that qualify for capitalization.

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