v3.26.1
Accumulated Other Comprehensive Loss
12 Months Ended
Mar. 31, 2026
Equity [Abstract]  
Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Loss
Accumulated other comprehensive loss consists of the following at March 31, 2026:
(Millions of US dollars)Cash Flow
Hedges
Pension
Actuarial
Gain
Foreign
Currency
Translation
Adjustments
Total
Balance at March 31, 2025
$0.1 $1.4 $(59.7)$(58.2)
Change in component, net of tax5.5 1.0 7.6 14.1 
Reclassification from other comprehensive loss into net income, net of tax(2.2)— — (2.2)
Balance at March 31, 2026
$3.4 $2.4 $(52.1)$(46.3)