Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||||
---|---|---|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Sep. 30, 2021 |
Jun. 30, 2021 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
Income Taxes [Abstract] | ||||||
Effective income tax rate | 25.60% | 0.10% | 23.80% | 8.70% | ||
Income Taxes [Abstract] | ||||||
Impairment charges (reversals) - net | $ 0.0 | $ (57.2) | $ 0.0 | $ (55.7) | ||
U.S. [Member] | ||||||
Income Taxes [Abstract] | ||||||
Valuation allowance | 84.9 | 84.9 | ||||
U.S. [Member] | Maximum [Member] | ||||||
Income Taxes [Abstract] | ||||||
Estimated future decrease in income tax expense due to release of valuation allowance | (65.0) | (65.0) | ||||
Foreign Jurisdictions [Member] | ||||||
Income Taxes [Abstract] | ||||||
Income tax expense (benefit) related to change in deferred tax asset valuation allowance | $ (8.2) | $ 1.6 | $ (4.8) | (11.4) | ||
Income tax benefits related to decrease in deferred tax asset valuation allowance | (13.0) | |||||
Valuation allowance | $ 28.1 | $ 28.1 | ||||
Liquid-Cooled Automotive Business [Member] | ||||||
Income Taxes [Abstract] | ||||||
Impairment charges (reversals) - net | $ (56.0) |