Income Taxes, Earnings (Loss) Before Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Earnings (Loss) Before Income Taxes [Abstract]
United States	$ 12.5	$ 0.4	$ (48.7)
Foreign	112.8	101.1	(70.6)
Earnings (loss) before income taxes	$ 125.3	$ 101.5	$ (119.3)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details