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Asbestos - Asbestos Adjustments (Detail) $ in Millions, $ in Millions | 3 Months Ended | 12 Months Ended
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Dec. 31, 2017 USD ($) | Dec. 31, 2017 AUD ($) | Mar. 31, 2019 USD ($) | Mar. 31, 2018 USD ($) | Mar. 31, 2017 USD ($)
Change in estimates: |  |  |  |  |
Change in actuarial estimate - asbestos liability |  |  | $ (73.8) | $ (152.1) | $ 44.7
Change in actuarial estimate - insurance receivable |  |  | 0.0 | 1.2 | (8.2)
Change in estimate - AICF claims-handling costs |  |  | 1.1 | (0.5) | 2.1
Subtotal - Change in estimates |  |  | (72.7) | (151.4) | 38.6
Effect of foreign exchange on Asbestos net liabilities |  |  | 49.5 | (5.3) | 2.8
Gain (Loss) on Foreign Currency Forwards Contracts, Asbestos |  |  | (0.8) | 1.4 | (1.0)
Adjustment in Insurance Receivable, Asbestos |  |  | 2.0 | 0.0 | 0.0
Asbestos research and education contribution |  |  | 0.0 | (1.1) | 0.0
Total Asbestos Adjustments | $ (43.6) | $ (56.8) | $ (22.0) | $ (156.4) | $ 40.4

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- Definition Adjustment in Insurance Receivable, Asbestos + References No definition available. + Details
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- Definition Gain (loss) on foreign exchange movements in the other asbestos related assets and liabilities which are denominated in Australian dollars. + References No definition available. + Details
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- Definition Comprised of changes in actuarial estimates received as of March 31 each year and the effect of foreign exchange movements in the asbestos related assets and liabilities which are denominated in Australian dollars. + References No definition available. + Details
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- Definition Asbestos Research and Development Contribution + References No definition available. + Details
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- Definition Gain (Loss) on Foreign Currency Forwards Contracts, Asbestos + References No definition available. + Details
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