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Income Taxes - Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Millions | Mar. 31, 2020 | Mar. 31, 2019
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Deferred tax assets: |  |
Intangible assets | $ 1,126.4 | $ 1,209.8
Asbestos liability | 319.1 | 349.3
Other provisions and accruals | 54.1 | 55.6
Net operating loss carryforwards | 41.3 | 69.9
Foreign and research tax credit carryforwards | 114.2 | 115.5
Total deferred tax assets | 1,655.1 | 1,800.1
Valuation allowance | (262.9) | (267.6)
Total deferred tax assets net of valuation allowance | 1,392.2 | 1,532.5
Deferred tax liabilities: |  |
Depreciable and amortizable assets | (117.5) | (132.2)
Other | (48.1) | (38.5)
Total deferred tax liabilities | (165.6) | (170.7)
Total deferred taxes, net | $ 1,226.6 | $ 1,361.8

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