XML 526 R52.htm IDEA: XBRL DOCUMENT v3.8.0.1
Accounts Payable and Accrued Liabilities - Components of Accounts Payable and Accrued Liabilities (Detail) - USD ($)
$ in Millions
Mar. 31, 2018
Mar. 31, 2017
Payables and Accruals [Abstract]    
Trade creditors $ 111.8 $ 108.4
Accrued interest 12.5 4.8
Other creditors and accruals 69.0 60.3
Total accounts payable and accrued liabilities $ 193.3 $ 173.5