STOCK-BASED COMPENSATION - Stock-Based Compensation Expense Narrative (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Stock-based compensation | |||
| Reversal of forfeiture awards | $ 49.1 | $ 8.3 | $ 2.4 |
| Reversal of capitalized costs | 20.2 | 8.3 | 7.4 |
| Performance and market-based restricted stock awards | |||
| Stock-based compensation | |||
| Fair values of restricted stock units vested | 574.2 | $ 526.6 | $ 309.3 |
| Restricted Stock | |||
| Stock-based compensation | |||
| Future unrecognized compensation cost, net of estimated forfeitures | $ 664.6 | ||
| Weighted average remaining contractual terms | 2 years 5 months 23 days | ||
| X | ||||||||||
- Definition Restricted Stock Awards, Reversal Forfeiture Awards No definition available.
|
| X | ||||||||||
- Definition Reversal Of Capitalized Costs No definition available.
|
| X | ||||||||||
- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Weighted-average contractual term remaining for equity-based award excluding option, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|