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

Asbestos - Summary of Net Unfunded AFFA Liability, Net of Tax 2 (Detail)

v3.19.1
Asbestos - Summary of Net Unfunded AFFA Liability, Net of Tax 2 (Detail)
$ in Millions, $ in Millions
 3 Months Ended 12 Months Ended 60 Months Ended
Mar. 31, 2018
USD ($)
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Mar. 31, 2019
USD ($)
Mar. 31, 2019
AUD ($)
Mar. 31, 2018
USD ($)
Mar. 31, 2017
USD ($)
Mar. 31, 2019
USD ($)
Mar. 31, 2019
AUD ($)
Asbestos Claims [Line Items]                  
Translation of payments at exchange rate, number of days prior to payment date       5 days 5 days        
Payment to fund       $ 103.0   $ 102.2 $ 91.1 $ 472.1 $ 595.3
Net cash provided by operating activities $ 295.0 $ 292.1 $ 260.4 287.6          
Adjustment to Net Cash Provided by (Used in) Operating Activities       0.8          
Asbestos Liability                  
Asbestos Claims [Line Items]                  
Asbestos claims paid       107.6 $ 147.5        
Net Unfunded AFFA Liability                  
Asbestos Claims [Line Items]                  
Payment received in accordance with AFFA       $ 103.0 $ 138.4        
AICF Funding                  
Asbestos Claims [Line Items]                  
Maximum percentage of Free Cash Flow contributed to AICF (as percent)       35.00% 35.00%        
Net cash provided by operating activities       $ 288.4