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GUARANTEES AND CONTINGENCIES - Additional Information (Details) - Canada Revenue Agency (CRA) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Dec. 31, 2026 | Mar. 31, 2026
Loss Contingencies [Line Items] |  |
Estimated amount of loss resulting from an adverse tax position |  | $ 87.8
Income taxes paid |  | $ 32.0
Tax Year 2016 |  |
Loss Contingencies [Line Items] |  |
Additional tax expense, (as a percent) |  | 10.00%
Tax Year 2015 |  |
Loss Contingencies [Line Items] |  |
Additional tax expense, (as a percent) |  | 10.00%
Tax Year 2014 |  |
Loss Contingencies [Line Items] |  |
Additional tax expense, (as a percent) |  | 10.00%
Tax Year 2013 |  |
Loss Contingencies [Line Items] |  |
Additional tax expense, (as a percent) |  | 10.00%
Tax Year 2012 |  |
Loss Contingencies [Line Items] |  |
Additional tax expense, (as a percent) |  | 10.00%
Tax Years 2017, 2018, 2019, 2020, and 2021 |  |
Loss Contingencies [Line Items] |  |
Estimated amount of loss resulting from an adverse tax position |  | $ 470.0
Tax Years 2020, and 2021 |  |
Loss Contingencies [Line Items] |  |
Amount paid |  | 24.0
Tax Year 2021 | Forecast |  |
Loss Contingencies [Line Items] |  |
Amount paid | $ 49.0 |
Minimum | Tax Year 2016 |  |
Loss Contingencies [Line Items] |  |
Income tax examination, estimate of increase to taxable income |  | 90.0
Minimum | Tax Year 2015 |  |
Loss Contingencies [Line Items] |  |
Income tax examination, estimate of increase to taxable income |  | 90.0
Minimum | Tax Year 2014 |  |
Loss Contingencies [Line Items] |  |
Income tax examination, estimate of increase to taxable income |  | 90.0
Minimum | Tax Year 2013 |  |
Loss Contingencies [Line Items] |  |
Income tax examination, estimate of increase to taxable income |  | 90.0
Minimum | Tax Year 2012 |  |
Loss Contingencies [Line Items] |  |
Income tax examination, estimate of increase to taxable income |  | 90.0
Maximum | Tax Year 2016 |  |
Loss Contingencies [Line Items] |  |
Income tax examination, estimate of increase to taxable income |  | 100.0
Maximum | Tax Year 2015 |  |
Loss Contingencies [Line Items] |  |
Income tax examination, estimate of increase to taxable income |  | 100.0
Maximum | Tax Year 2014 |  |
Loss Contingencies [Line Items] |  |
Income tax examination, estimate of increase to taxable income |  | 100.0
Maximum | Tax Year 2013 |  |
Loss Contingencies [Line Items] |  |
Income tax examination, estimate of increase to taxable income |  | 100.0
Maximum | Tax Year 2012 |  |
Loss Contingencies [Line Items] |  |
Income tax examination, estimate of increase to taxable income |  | $ 100.0

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