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SHARE-BASED PAYMENTS - Narrative (Details) | 12 Months Ended
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Mar. 31, 2022 numberOfCategories $ / shares shares | Mar. 31, 2021 $ / shares shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Number of categories | numberOfCategories | 2 |
Exercisable options (in years) | 4 years |
Number of shares (in shares) | shares | 9,936,443 | 11,205,103
Weighted average market share price for stock options (in dollars per share) | $ / shares | $ 38.13 | $ 30.19
Number of trading days (in days) | 20 days |
Vesting period (in years) | 3 years |
Shares vested and outstanding, granted under previous plans (in shares) | shares | 922,665 | 943,250
Top of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Exercisable options (in years) | 7 years |
Stock option plan |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Weighted average fair value of stock options (in dollars per share) | $ / shares | $ 11.53 | $ 5.22
Stock purchase plan |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Employer matching contribution, matching, percentage | 50.00% |
Employer matching contribution, percent of employees' gross pay (in percent) | 3.00% |
Performance share unit (PSU) plan | Top of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Share-based payment arrangement (in percent) | 200.00% |
Performance share unit (PSU) plan | Bottom of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Share-based payment arrangement (in percent) | 0.00% |

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