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Assets Held for Sale (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2020 | Sep. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Mar. 31, 2021
Assets Held for Sale [Abstract] |  |  |  |  |  |  |  |
Impairment charges (reversals) - net | $ (57.2) |  |  | $ 134.4 |  | $ (55.7) | $ 134.4 |
ASSETS [Abstract] |  |  |  |  |  |  |  |
Total assets held for sale | 0.0 |  |  |  |  | 0.0 |  | $ 107.6
LIABILITIES [Abstract] |  |  |  |  |  |  |  |
Total liabilities held for sale | 0.0 |  |  |  |  | 0.0 |  | 103.3
Liquid-Cooled Automotive Business [Member] |  |  |  |  |  |  |  |
Assets Held for Sale [Abstract] |  |  |  |  |  |  |  |
Impairment charges | (57.2) |  | $ (7.4) | 134.4 | $ 8.6 |  |  |
Impairment charges (reversals) - net | $ (57.2) |  |  | 134.4 | $ 1.2 | $ (56.0) |  |
Net carrying value of additions to property, plant and equipment |  | $ 0.0 | $ 0.0 | $ 0.0 |  |  |  |
Liquid and Air-Cooled Automotive Businesses [Member] |  |  |  |  |  |  |  |
ASSETS [Abstract] |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  |  |  |  | 8.0
Trade accounts receivable - net |  |  |  |  |  |  |  | 54.4
Inventories |  |  |  |  |  |  |  | 24.7
Other current assets |  |  |  |  |  |  |  | 12.8
Property, plant and equipment - net |  |  |  |  |  |  |  | 164.0
Other noncurrent assets |  |  |  |  |  |  |  | 8.8
Impairment of carrying value |  |  |  |  |  |  |  | (165.1)
Total assets held for sale |  |  |  |  |  |  |  | 107.6
LIABILITIES [Abstract] |  |  |  |  |  |  |  |
Short-term debt |  |  |  |  |  |  |  | 5.0
Accounts payable |  |  |  |  |  |  |  | 46.3
Accrued compensation and employee benefits |  |  |  |  |  |  |  | 15.5
Other current liabilities |  |  |  |  |  |  |  | 12.2
Pensions |  |  |  |  |  |  |  | 17.8
Other noncurrent liabilities |  |  |  |  |  |  |  | 6.5
Total liabilities held for sale |  |  |  |  |  |  |  | $ 103.3

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