General form of registration statement for all companies including face-amount certificate companies

INCOME TAXES - Narrative (Details)

v3.24.4
INCOME TAXES - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Income Tax Contingency [Line Items]                
Increase (decrease) in valuation allowance         $ 6,500 $ 3,100 $ (7,400)  
Increase in balances related to tax positions in prior period         8,000      
Total unrecognized tax benefit including interest and penalties         89,500      
Unrecognized tax benefits that would impact effective tax rate $ 78,000   $ 78,000   77,100      
Accrued interest and penalties 1,300   1,300   1,200      
Unrecognized tax benefits $ 90,500   $ 90,500   88,341 $ 96,343 $ 99,603 $ 101,119
Increase in unrecognized tax benefits is reasonably possible         12,600      
Increase in unrecognized tax benefits valuation allowance is reasonably possible         11,900      
Increase in unrecognized tax benefits net is reasonably possible         700      
Federal net operating loss         208,500      
Tax credit carryforwards         47,300      
Indefinite lived operating loss carry forward         12,800      
Acquired net operating losses included in carryforwards         11,100      
Acquired credits included in carryforwards         2,500      
Effective Income Tax Rate Reconciliation, Percent (2.30%) (19.00%) (1.60%) (9.30%)        
Other long-term assets                
Income Tax Contingency [Line Items]                
Unrecognized tax benefits $ 83,000   $ 83,000   82,400      
Other long-term liabilities                
Income Tax Contingency [Line Items]                
Unrecognized tax benefits $ 7,600   $ 7,600   $ 7,100