XML 93 R52.htm IDEA: XBRL DOCUMENT v3.21.1
Accounts and Other Receivables - Provision for Doubtful Trade Debts (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Allowance for Doubtful Accounts Receivable [Roll Forward]      
Balance at beginning of period $ 4.4 $ 2.9 $ 1.3
Adjustment to provision 3.1 1.7 2.8
Write-offs, net of recoveries (1.4) (0.2) (1.2)
Balance at end of period $ 6.1 $ 4.4 $ 2.9