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

Asbestos - Changes in Deferred Income Taxes (Detail)

v2.4.0.8
Asbestos - Changes in Deferred Income Taxes (Detail)
In Millions, unless otherwise specified
12 Months Ended
Mar. 31, 2014
USD ($)
Mar. 31, 2014
AUD
Mar. 31, 2013
USD ($)
Insurance [Abstract]      
Deferred Tax Assets - Beginning balance $ 452.7 434.4  
Offset to Income Tax Payable (16.8) (18.0) (25.6)
AICF Earnings (0.3) (0.3)  
Impact of change in estimates 87.9 95.3  
Effect of foreign exchange (51.8)    
Deferred Tax Asset - Ending balance $ 471.7 511.4 $ 452.7
Exchange rate, Beginning balance 0.9597 0.9597  
Offset to Income Tax Payable, Exchange rate 1.0716 1.0716  
AICF Earnings, Exchange rate 1.0716 1.0716  
Impact of change in estimates, Exchange rate 1.0845 1.0845  
Exchange rate, Ending balance 1.0845 1.0845 0.9597