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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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SUMMARY OF ACCOUNTING POLICIES (Details 2) (USD $)	12 Months Ended
SUMMARY OF ACCOUNTING POLICIES (Details 2) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Cash and Cash Equivalents
Cash and bank balances	$ 953,549,000us-gaap_Cash	$ 1,040,800,000us-gaap_Cash
Money market funds and time deposits	674,859,000us-gaap_CashEquivalentsAtCarryingValue	552,928,000us-gaap_CashEquivalentsAtCarryingValue
Cash and cash equivalents	1,628,408,000	1,593,728,000	1,587,087,000	1,518,329,000
Inventories
Raw materials	2,330,428,000	2,349,278,000
Work-in-progress	557,786,000	608,284,000
Finished goods	600,538,000	641,446,000
Inventories, total	3,488,752,000us-gaap_InventoryNet	3,599,008,000us-gaap_InventoryNet
Property and Equipment, Net
Property and equipment, gross	5,161,963,000us-gaap_PropertyPlantAndEquipmentGross	5,113,077,000us-gaap_PropertyPlantAndEquipmentGross
Accumulated depreciation and amortization	(3,069,796,000)	(2,824,421,000)
Property and equipment, net	2,092,167,000us-gaap_PropertyPlantAndEquipmentNet	2,288,656,000us-gaap_PropertyPlantAndEquipmentNet
Depreciation expense associated with property and equipment	496,800,000us-gaap_Depreciation	424,800,000us-gaap_Depreciation	412,300,000us-gaap_Depreciation
Machinery and equipment
Property and Equipment, Net
Property and equipment, gross	2,928,903,000	2,929,449,000
Machinery and equipment \| Minimum
Property and Equipment, Net
Depreciable Life	3 years
Machinery and equipment \| Maximum
Property and Equipment, Net
Depreciable Life	10 years
Buildings
Property and Equipment, Net
Property and equipment, gross	1,067,837,000	1,069,376,000
Depreciable Life	30 years
Leasehold improvements
Property and Equipment, Net
Property and equipment, gross	459,926,000	470,960,000
Leasehold improvements \| Maximum
Property and Equipment, Net
Depreciable Life	30 years
Furniture, fixtures, computer equipment and software
Property and Equipment, Net
Property and equipment, gross	440,878,000	427,038,000
Furniture, fixtures, computer equipment and software \| Minimum
Property and Equipment, Net
Depreciable Life	3 years
Furniture, fixtures, computer equipment and software \| Maximum
Property and Equipment, Net
Depreciable Life	7 years
Land
Property and Equipment, Net
Property and equipment, gross	123,633,000	127,567,000
Construction-in-progress
Property and Equipment, Net
Property and equipment, gross	$ 140,786,000	$ 88,687,000