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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Mar. 31, 2020
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Deferred tax assets: |  |
Intangible assets | $ 1,038.7 | $ 1,126.4
Asbestos liability | 367.4 | 319.1
Other provisions and accruals | 62.2 | 54.1
Net operating loss carryforwards | 61.0 | 41.3
Foreign and research tax credit carryforwards | 122.1 | 114.2
Total deferred tax assets | 1,651.4 | 1,655.1
Valuation allowance | (262.7) | (262.9)
Total deferred tax assets net of valuation allowance | 1,388.7 | 1,392.2
Deferred tax liabilities: |  |
Depreciable and amortizable assets | (151.7) | (117.5)
Other | (49.1) | (48.1)
Total deferred tax liabilities | (200.8) | (165.6)
Total deferred taxes, net | $ 1,187.9 | $ 1,226.6

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