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Accumulated Other Comprehensive Loss - Schedule of Reclassifications of Recognized Transactions out of AOCI (Details) - USD ($) $ in Millions | 3 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Other income (loss), net | $ 0.5 | $ (3.2)
Reclassification out of Accumulated Other Comprehensive Income | Amortization of actuarial loss |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Other income (loss), net | $ (0.6) | $ (0.3)

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