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v3.21.1

Assets Held for Sale (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2019 | Nov. 02, 2020
Assets Held for Sale [Abstract] |  |  |  |  |
Impairment charges |  | $ 166,800,000 | $ 8,600,000 | $ 400,000 |
ASSETS [Abstract] |  |  |  |  |
Total assets held for sale |  | 107,600,000 | 0 |  |
LIABILITIES [Abstract] |  |  |  |  |
Total liabilities held for sale |  | 103,300,000 | 0 |  |
Automotive [Member] |  |  |  |  |
Assets Held for Sale [Abstract] |  |  |  |  |
Selling price |  |  | $ 6,000,000.0 |  |
Impairment charges |  | 1,700,000 |  |  |
Held for Sale [Member] |  |  |  |  |
Assets Held for Sale [Abstract] |  |  |  |  |
Impairment charges |  | 166,800,000 |  |  |
Liquid and Air-Cooled Automotive Businesses [Member] |  |  |  |  |
Assets Held for Sale [Abstract] |  |  |  |  |
Impairment charges |  | 165,100,000 |  |  |
LIABILITIES [Abstract] |  |  |  |  |
Pensions |  | 17,800,000 |  |  |
Liquid and Air-Cooled Automotive Businesses [Member] | Held for Sale [Member] |  |  |  |  |
ASSETS [Abstract] |  |  |  |  |
Cash and cash equivalents |  | 8,000,000.0 |  |  |
Trade accounts receivables - net |  | 54,400,000 |  |  |
Inventories |  | 24,700,000 |  |  |
Other current assets |  | 12,800,000 |  |  |
Property, plant and equipment - net |  | 164,000,000.0 |  |  |
Other noncurrent assets |  | 8,800,000 |  |  |
Impairment of carrying value |  | (165,100,000) |  |  |
Total assets held for sale |  | 107,600,000 |  |  |
LIABILITIES [Abstract] |  |  |  |  |
Short-term debt |  | 5,000,000.0 |  |  |
Accounts payable |  | 46,300,000 |  |  |
Accrued compensation and employee benefits |  | 15,500,000 |  |  |
Other current liabilities |  | 12,200,000 |  |  |
Pensions |  | 17,800,000 |  |  |
Other noncurrent liabilities |  | 6,500,000 |  |  |
Total liabilities held for sale |  | 103,300,000 |  |  |
Liquid-Cooled Automotive Business [Member] |  |  |  |  |
Assets Held for Sale [Abstract] |  |  |  |  |
Selling price |  |  |  |  | $ 1
Impairment charges |  | 138,300,000 |  |  |
Long-lived assets |  | 0 |  |  |
Liquid-Cooled Automotive Business [Member] | Forecast [Member] | Minimum [Member] |  |  |  |  |
LIABILITIES [Abstract] |  |  |  |  |
Loss on sale of transaction | $ 20,000,000.0 |  |  |  |
Liquid-Cooled Automotive Business [Member] | Forecast [Member] | Maximum [Member] |  |  |  |  |
LIABILITIES [Abstract] |  |  |  |  |
Loss on sale of transaction | 30,000,000.0 |  |  |  |
Air-Cooled Automotive Business [Member] |  |  |  |  |
Assets Held for Sale [Abstract] |  |  |  |  |
Impairment charges |  | $ 26,800,000 |  |  |
Air-Cooled Automotive Business [Member] | Forecast [Member] |  |  |  |  |
LIABILITIES [Abstract] |  |  |  |  |
Loss on sale of transaction | $ 6,000,000.0 |  |  |  |

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