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

Long-Term Debt (Tables)

v3.23.1
Long-Term Debt (Tables)
12 Months Ended
Mar. 31, 2023
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
31 March
(Millions of US dollars) 2023 2022
Senior unsecured notes:
Principal amount 3.625% notes due 2026 (€400.0 million)
$ 436.1  $ 446.4 
Principal amount 5.000% notes due 2028
400.0  400.0 
Total 836.1  846.4 
Unsecured revolving credit facility 230.0  40.0 
Unamortized debt issuance costs: (7.1) (9.1)
Total Long-term debt $ 1,059.0  $ 877.3 
Weighted average interest rate of Long-term debt 4.7  % 4.2  %
Weighted average term of available Long-term debt 4.0 years 5.0 years
Fair value of Senior unsecured notes (Level 1)
$ 785.2  $ 845.1