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Accumulated Other Comprehensive Loss | 12 Months Ended
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Mar. 31, 2020
Equity [Abstract] |
Accumulated Other Comprehensive Loss | Accumulated Other Comprehensive Gain (Loss) Accumulated other comprehensive gain (loss) is comprised of the following at 31 March 2020:
(Millions of US dollars) |  | Cash Flow Hedges |  | Pension Actuarial Gain |  | Foreign Currency Translation Adjustments |  | Total
Balance at 31 March 2019 |  | $ | 0.2 |  |  | $ | — |  |  | $ | (30.5 | ) |  | $ | (30.3 | )
Other comprehensive gain (loss) |  | — |  |  | 0.8 |  |  | (32.6 | ) |  | (31.8 | )
Balance at 31 March 2020 |  | $ | 0.2 |  |  | $ | 0.8 |  |  | $ | (63.1 | ) |  | $ | (62.1 | )

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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- References No definition available. + Details
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