INCOME TAXES (Details 4) (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
INCOME TAXES
Fixed assets, Deferred tax liabilities	$ (76,524,000)	$ (36,542,000)
Others, Deferred tax liabilities	(54,900,000)	(61,621,000)
Total deferred tax liabilities	(131,424,000)	(98,163,000)
Fixed assets, Deferred tax assets	80,801,000	66,959,000
Intangible assets	62,951,000	112,327,000
Deferred compensation	10,263,000	10,341,000
Inventory valuation	9,255,000	12,514,000
Provision for doubtful accounts	3,558,000	13,807,000
Net operating loss and other carryforwards	2,613,095,000	2,600,895,000
Others	201,906,000	167,085,000
Gross deferred tax assets	2,981,829,000	2,983,928,000
Valuation allowances	(2,749,040,000)	(2,825,579,000)
Net deferred tax assets, net of valuation allowance	232,789,000	158,349,000
Net deferred tax assets	101,365,000	60,186,000
Current asset (classified as other current assets)	13,522,000	7,881,000
Long-term asset (classified as other assets)	219,267,000	150,468,000
Long-term liability (classified as other liabilities)	(131,424,000)	(98,163,000)
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	2,700,000,000
Valuation allowance relating to deferred tax assets	46,000,000
Tax losses and other carryforwards
Tax losses and other carryforwards	2,687,167,000
Undistributed earnings of subsidiaries	779,000,000
2015-2020
Tax losses and other carryforwards
Tax losses and other carryforwards	279,204,000
2021-2026
Tax losses and other carryforwards
Tax losses and other carryforwards	1,001,767,000
2027 and post
Tax losses and other carryforwards
Tax losses and other carryforwards	714,406,000
Indefinite
Tax losses and other carryforwards
Tax losses and other carryforwards	$ 691,790,000