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Investments (Summarized Statements of Operations) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Net loss	$ (48.9)	$ (17.2)	$ (97.4)	$ 7.3
Equity Method Investees
Schedule of Equity Method Investments [Line Items]
Revenues	14.7	18.2	51.9	65.1
Gross profit	5.5	7.7	14.3	22.7
Net loss	$ (16.8)	$ (15.8)	$ (36.7)	$ (49.5)

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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