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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 USD ($) | Mar. 31, 2024 USD ($) segment reporting_unit | Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |
Number of operating segments | segment |  | 1 |  |
Asset impairment charges |  | $ 0 | $ 4,000,000 | $ 0
Unbilled amounts included in accounts receivable |  | $ 17,500,000 | 17,800,000 |
Capitalized contract cost amortization period |  | 4 years |  |
Recognition of capitalized contract cost |  | $ 11,100,000 | 6,800,000 |
Number of reporting units | reporting_unit |  | 3 |  |
Impairment of goodwill | $ 2,900,000 | $ 2,875,000 | 0 | 0
Advertising expense |  | $ 11,500,000 | $ 12,900,000 | $ 10,500,000
Accounts Receivable | Customer Concentration Risk | One Customer |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Concentration risk, percentage |  | 10.00% |  |
Revenue Benchmark | Product Concentration Risk | Service |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Concentration risk, percentage |  | 5.00% |  |
Revenue Benchmark | Customer Concentration Risk | Ten Largest Customers |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Concentration risk, percentage |  | 27.00% |  |
Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Amortization period |  | 1 year |  |
Minimum | Incentive Stock Option |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Exercise price as a percentage of the per-share market value of the Company's shares at the date of grant |  | 100.00% |  |
Minimum | Leasehold Improvements |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated useful life |  | 2 years |  |
Minimum | Data Processing Equipment |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated useful life |  | 2 years |  |
Minimum | Office Furniture and Other Equipment |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated useful life |  | 3 years |  |
Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Amortization period |  | 6 years |  |
Maximum | Incentive Stock Option |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Duration of stock options granted |  | 10 years |  |
Maximum | Nonqualified Options |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Exercise price as a percentage of the per-share market value of the Company's shares at the date of grant |  | 100.00% |  |
Duration of stock options granted |  | 10 years |  |
Maximum | Leasehold Improvements |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated useful life |  | 5 years |  |
Maximum | Data Processing Equipment |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated useful life |  | 5 years |  |
Maximum | Office Furniture and Other Equipment |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated useful life |  | 7 years |  |

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