Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Asbestos - Asbestos Adjustments (Detail)

v3.8.0.1
Asbestos - Asbestos Adjustments (Detail)
$ in Millions, $ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2017
USD ($)
Dec. 31, 2017
AUD ($)
Mar. 31, 2018
USD ($)
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Change in estimates:          
Change in actuarial estimate - asbestos liability     $ (152.1) $ 44.7 $ 2.4
Change in actuarial estimate - insurance receivable     1.2 (8.2) 4.5
Change in estimate - AICF claims-handling costs     (0.5) 2.1 1.2
Subtotal - Change in estimates     (151.4) 38.6 8.1
(Loss) gain on foreign currency exchange     (3.9) 1.8 (2.6)
Asbestos research and education contribution     (1.1) 0.0 0.0
Total Asbestos Adjustments $ (43.6) $ (56.8) $ (156.4) $ 40.4 $ 5.5