ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)	12 Months Ended
	Mar. 31, 2025 USD ($) reporting_unit	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)
Property, Plant and Equipment [Line Items]
Gain (loss) on investments	$ (206,000)	$ 0	$ 0
Asset impairment charges	0	0	4,000,000.0
Unbilled amounts included in accounts receivable	$ 18,500,000	17,500,000
Capitalized contract cost amortization period	4 years
Recognition of capitalized contract cost	$ 3,700,000	11,100,000
Number of reporting units | reporting_unit	3
Impairment of goodwill	$ 0	2,875,000	0
Advertising expense	$ 13,800,000	$ 11,500,000	$ 12,900,000
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	4 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
Product Concentration Risk | Service | Revenue Benchmark
Property, Plant and Equipment [Line Items]
Concentration risk, percentage	5.00%
Customer Concentration Risk | Accounts Receivable | One Customer
Property, Plant and Equipment [Line Items]
Concentration risk, percentage	10.00%	10.00%
Customer Concentration Risk | Revenue Benchmark | Ten Largest Customers
Property, Plant and Equipment [Line Items]
Concentration risk, percentage	25.00%	27.00%