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