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Accumulated Other Comprehensive Loss (Details) $ in Millions |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Oct. 31, 2023 Business | Dec. 31, 2023 USD ($) Business | Dec. 31, 2022 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Changes in Accumulated Other Comprehensive Loss [Abstract] |  |  |  |  |  |
Beginning balance |  |  |  |  | $ 592.8 |
Other comprehensive income (loss) before reclassifications |  |  | $ 19.9 | $ 23.8 | 6.2 | $ (24.3)
Income taxes |  |  | (0.5) | (0.2) | (0.7) | (0.2)
Total other comprehensive income (loss) |  |  | 19.9 | 25.3 | 7.3 | (20.5)
Ending balance |  |  | $ 727.4 |  | 727.4 |
Number of automotive businesses sold | Business |  | 3 | 3 |  |  |
Accumulated Other Comprehensive Loss [Member] |  |  |  |  |  |
Changes in Accumulated Other Comprehensive Loss [Abstract] |  |  |  |  |  |
Beginning balance |  |  | $ (173.7) | (195.3) | (161.1) | (149.5)
Ending balance |  |  | (153.8) | (170.0) | (153.8) | (170.0)
Foreign Currency Translation [Member] |  |  |  |  |  |
Changes in Accumulated Other Comprehensive Loss [Abstract] |  |  |  |  |  |
Beginning balance |  |  | (70.8) | (86.0) | (57.5) | (39.1)
Other comprehensive income (loss) before reclassifications |  |  | 19.3 | 22.5 | 6.0 | (24.4)
Income taxes |  |  | 0.0 | 0.0 | 0.0 | 0.0
Total other comprehensive income (loss) |  |  | 19.3 | 22.5 | 6.0 | (24.4)
Ending balance |  |  | (51.5) | (63.5) | (51.5) | (63.5)
Defined Benefit Plans [Member] |  |  |  |  |  |
Changes in Accumulated Other Comprehensive Loss [Abstract] |  |  |  |  |  |
Beginning balance |  |  | (102.8) | (108.4) | (104.4) | (111.1)
Other comprehensive income (loss) before reclassifications |  |  | 0.0 | 0.0 | 0.0 | 0.0
Reclassification from accumulated other comprehensive income (loss) | [1] |  | 1.0 | 1.3 | 3.1 | 4.0
Unrecognized net pension gain in disposed businesses | [2] |  | (0.6) |  | (0.6) |
Income taxes |  |  | (0.3) | 0.0 | (0.8) | 0.0
Total other comprehensive income (loss) |  |  | 0.1 | 1.3 | 1.7 | 4.0
Ending balance |  |  | (102.7) | (107.1) | (102.7) | (107.1)
Cash Flow Hedges [Member] |  |  |  |  |  |
Changes in Accumulated Other Comprehensive Loss [Abstract] |  |  |  |  |  |
Beginning balance |  |  | (0.1) | (0.9) | 0.8 | 0.7
Other comprehensive income (loss) before reclassifications |  |  | 0.6 | 1.3 | 0.2 | 0.1
Reclassification from accumulated other comprehensive income (loss) | [3] |  | 0.1 | 0.4 | (0.7) | 0.0
Income taxes |  |  | (0.2) | (0.2) | 0.1 | (0.2)
Total other comprehensive income (loss) |  |  | 0.5 | 1.5 | (0.4) | (0.1)
Ending balance |  |  | $ 0.4 | $ 0.6 | $ 0.4 | $ 0.6
[1] | Amounts are included in the calculation of net periodic benefit cost for the Company’s defined benefit plans, which include pension and other postretirement plans. See Note 5 for additional information about the Company’s pension plans.
[2] | As a result of the sale of three automotive businesses based in Germany, the Company wrote-off $0.6 million of net actuarial gains related to the disposal group’s pension plans. See Note 2 for additional information regarding the sale.
[3] | Amounts represent net gains and losses associated with cash flow hedges that were reclassified to net earnings.

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