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

Accounts and Other Receivables - Components of Accounts and Other Receivables (Detail)

v3.19.1
Accounts and Other Receivables - Components of Accounts and Other Receivables (Detail) - USD ($)
$ in Millions
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2016
Receivables [Abstract]        
Trade receivables $ 245.5 $ 196.9    
Other receivables and advances 12.0 7.1    
Provision for doubtful trade debts (2.9) (1.3) $ (0.9) $ (1.1)
Total accounts and other receivables $ 254.6 $ 202.7