Segment Information - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Profit included in operating income	$ (8.0)	$ 25.1	$ 2.2	$ 109.5
ECS \| Hardware and Software \| Segment Reconciling Items
Segment Reporting Information [Line Items]
Profit included in operating income		$ 0.3		$ 1.4

The net result for the period of deducting operating expenses from operating revenues.

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