INCOME TAXES (Details 4) (USD $)
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
INCOME TAXES    
Fixed assets, Deferred tax liabilities $ (73,327,000) $ (76,524,000)
Others, Deferred tax liabilities (44,603,000) (54,900,000)
Total deferred tax liabilities (117,930,000) (131,424,000)
Fixed assets, Deferred tax assets 80,370,000 80,801,000
Intangible assets 28,954,000 62,951,000
Deferred compensation 13,618,000 10,263,000
Inventory valuation 11,864,000 9,255,000
Provision for doubtful accounts 3,149,000 3,558,000
Net operating loss and other carryforwards 2,394,456,000 2,613,095,000
Others 264,781,000 201,906,000
Gross deferred tax assets 2,797,192,000 2,981,829,000
Valuation allowances (2,521,763,000) (2,749,040,000)
Net deferred tax assets, net of valuation allowance 275,429,000 232,789,000
Net deferred tax assets 157,499,000 101,365,000
Current asset (classified as other current assets) 63,910,000 13,522,000
Long-term asset (classified as other assets) 211,519,000 219,267,000
Long-term liability (classified as other liabilities) (117,930,000) (131,424,000)
Current impact on the tax provision due to change in valuation allowance 34,000,000  
Deferred tax asset associated with tax loss and tax credit carryforwards of indefinite duration 2,400,000,000  
Valuation allowance relating to deferred tax assets 45,400,000  
Tax losses and other carryforwards    
Tax losses and other carryforwards 2,426,842,000  
Undistributed earnings of subsidiaries 800,000,000  
Undistributed foreign earnings that applicable foreign withholding taxes have been provided 145,900,000  
Deferred tax liability on undistributed foreign earnings 12,600,000  
2016-2021    
Tax losses and other carryforwards    
Tax losses and other carryforwards 344,790,000  
2022-2027    
Tax losses and other carryforwards    
Tax losses and other carryforwards 939,453,000  
2028 and post    
Tax losses and other carryforwards    
Tax losses and other carryforwards 660,072,000  
Indefinite    
Tax losses and other carryforwards    
Tax losses and other carryforwards $ 482,527,000