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STOCK PLANS - Narrative (Details) $ / shares in Units, $ in Millions				12 Months Ended				13 Months Ended	23 Months Ended
	Sep. 10, 2025 shares	Sep. 14, 2023	Mar. 01, 2012	Mar. 31, 2026 USD ($) $ / shares shares	Mar. 31, 2025	Mar. 31, 2024	Sep. 09, 2020	Sep. 13, 2023	Aug. 23, 2022
2011 Employee Stock Purchase Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Maximum payroll deductions for purchase of shares by participants			20.00%
Percentage of common stock price for employees			85.00%
Shares purchased by employees (in shares)				400,000
Shares issued under ESPP plan, weighted average purchase price per share (in dollars per share) \| $ / shares				$ 23.06
Shares available for future issuance under the ESPP (in shares).				1,200,000
2019 Amended, Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Reduction for each share of common stock pursuant to option		1
Reduction for each share of common stock pursuant to other than option		2.67					2.76	2.34	2.32
Number of additional shares available (in shares)	3,500,000
Number of shares available for grant (in shares)				8,549,468
2019 Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares available for grant (in shares)				5.4
Independent Director \| 2007 Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Percentage of Annualized Forfeiture Rate For Award Grant				0.00%	0.00%	0.00%
Senior Executives \| 2007 Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Percentage of Annualized Forfeiture Rate For Award Grant				2.00%	2.00%	2.00%
Employees \| 2007 Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Percentage of Annualized Forfeiture Rate For Award Grant				5.00%	5.00%	5.00%
Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized cost, period for recognition, years				1 year 6 months
Total unrecognized compensation cost \| $				$ 87.0
Appreciation Award \| 2019 Amended, Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Addition in reserve equity	1
Percentage of fair market value of common stock	100.00%
Performance Based Restricted Stock Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award performance measurement period				3 years
Full Value Award \| 2019 Amended, Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Addition in reserve equity		2.67