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STOCK-BASED COMPENSATION - Narrative (Details) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Dec. 31, 2021 USD ($) date $ / shares shares | Dec. 31, 2021 USD ($) tranche date shares | Dec. 31, 2021 USD ($) date tranche shares | Dec. 31, 2020 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of tranches | tranche |  | 3 | 3 |
Number of shares repurchased (in shares) | shares |  |  |  | 0
Stock repurchased and retired during period (in shares) | shares | 2,300,000 |  |  |
Stock repurchased and retired during period | $ 45.0 |  |  |
Stok repurchased and retired, cost per share (in dollars per share) | $ / shares | $ 19.20 |  |  |
Employee Stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total intrinsic value of options exercised |  |  | $ 14.0 | $ 1.8
Unrecognized compensation cost | $ 0.1 | $ 0.1 | $ 0.1 |
Weighted average period of recognition for unrecognized compensation expense |  |  | 7 months 2 days |
Restricted Stock Units (RSUs) |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized compensation cost | 128.1 | 128.1 | $ 128.1 |
Performance Shares |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized compensation cost | 19.6 | 19.6 | $ 19.6 |
Change in number of shares earned |  |  | 2.00% |
Maximum percentage of awards to be earned |  |  | 200.00% |
Number of shares earned (in shares) | shares |  |  | 0 |
Performance Shares | Minimum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting performance period percentage |  |  | 0.00% |
Total shareholder return performance, lowest percentage to still earn awards |  |  | (30.00%) |
Performance Shares | Maximum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting performance period percentage |  |  | 200.00% |
Performance Shares | Tranche One | Minimum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting performance period percentage |  |  | 90.00% |
Performance Shares | Tranche One | Maximum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting performance period percentage |  |  | 110.00% |
Salary and Bonus Stock Program |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized compensation cost | $ 1.8 | $ 1.8 | $ 1.8 |
Number of look back dates | date | 2 | 2 | 2 |
Employee Stock Purchase Plan | Employee Stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized compensation cost | $ 1.9 | $ 1.9 | $ 1.9 |
Weighted average period of recognition for unrecognized compensation expense |  |  | 4 months 24 days |
Number of shares reserved for future issuance (in shares) | shares | 2,522,952 | 2,522,952 | 2,522,952 |

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