v3.26.1
PROVISION FOR INCOME TAXES - Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Income Tax Examination [Line Items]      
Income tax expense (benefit) (Note 15) $ 294,752 $ (2,890) $ 30,006
U.S. federal and state net operating loss 26,724 68,155  
U.S. federal and state tax credits 12,815 8,050  
Deferred tax asset valuation allowance 644,390 292,362  
Deferred tax assets, operating loss carryforwards, foreign, gross 54,000    
Foreign tax credits 10,554 6,493  
Undistributed earnings 965,500    
Unrecognized tax benefits 110,800 95,100  
Penalties and interest expenses 23,300 22,100  
Penalties and interest accrued 1,100 $ 7,100 $ 6,600
Unrecognized tax benefits that would impact tax rate 81,000    
Unrecognized tax benefits impact other tax accounts 6,500    
Tax Loss Carryforwards And Tax Credits      
Income Tax Examination [Line Items]      
Deferred tax asset valuation allowance 39,400    
Foreign Tax Credit Carryforwards      
Income Tax Examination [Line Items]      
Foreign tax credits 59,700    
Foreign Deferred Tax Assets      
Income Tax Examination [Line Items]      
Foreign tax credits $ 136,400    
Minimum      
Income Tax Examination [Line Items]      
Expiration period (in years) 5 years    
Carryforwards, expiration period (in years) 2 years    
Maximum      
Income Tax Examination [Line Items]      
Expiration period (in years) 20 years    
Carryforwards, expiration period (in years) 15 years    
State and Local Jurisdiction      
Income Tax Examination [Line Items]      
Operating loss carryforwards with definite lives $ 383,600    
Foreign      
Income Tax Examination [Line Items]      
Deferred tax assets, operating loss carryforwards, foreign, gross 304,100    
Undistributed earnings $ 399,400