RETIREMENT PLANS - Employee Stock Ownership Plan (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2023 |
Mar. 31, 2022 |
|
| Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] | |||
| Award requisite service period | 1 year | ||
| Period of credited service after which participant's interest in contributions to ESOP fully vest | 3 years | ||
| Contributions to the ESOP | $ 4.8 | $ 3.1 | $ 2.3 |
| ESOP expense recorded | $ 4.4 | ||
| CSWI | |||
| Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] | |||
| Shares held in ESOP (in shares) | 497,835 | 537,293 | |