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Property and Equipment (Narratives) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Net book value | $ 66.3 | $ 55.0
Software Development |  |
Property, Plant and Equipment [Line Items] |  |
Net book value | 35.8 | 27.7
Software Development Work-in-Progress |  |
Property, Plant and Equipment [Line Items] |  |
Net book value | $ 7.3 | $ 8.2

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