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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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