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Segment Information - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Profit included in operating income	$ 33.7	$ 40.8	$ 10.2	$ 84.4
ECS | Hardware and Software | Segment Reconciling Items
Segment Reporting Information [Line Items]
Profit included in operating income		$ 0.4		$ 1.1

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- Definition

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

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