CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net income	$ 277,051	$ 488,765	$ 596,219
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and other impairment charges	566,357	521,923	471,668
Provision for doubtful accounts	6,643	30,330	4,043
Non-cash other expense (income)	(52,408)	(33,563)	2,831
Stock-based compensation	34,529	48,454	55,237
Deferred income taxes and other non-cash income taxes	(32,647)	(1,022)	(51,198)
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	519,140	(30,249)	26,519
Inventories	596,131	301,053	(664,738)
Other current and noncurrent assets	61,567	29,683	(337,057)
Accounts payable	(671,424)	(750,169)	609,868
Other current and noncurrent liabilities	(189,509)	199,063	143,952
Net cash provided by operating activities	1,115,430	804,268	857,344
Cash flows from investing activities:
Purchases of property and equipment	(488,993)	(437,191)	(470,702)
Proceeds from the disposition of property and equipment	53,665	49,187	76,833
Acquisition of businesses, net of cash acquired	(184,097)	(92,257)	(16,966)
Proceeds from divestitures of operations, net	22,585	1,398	625
Other investing activities, net	(100,359)	(2,501)	(3,031)
Net cash used in investing activities	(697,199)	(481,364)	(413,241)
Cash flows from financing activities:
Proceeds from bank borrowings and long-term debt	1,250,213	2,833,704	3,471,494
Repayments of bank borrowings and long-term debt	(391,859)	(2,389,121)	(3,420,594)
Payments for early repurchase of long-term debt	(1,000,000)	(480,000)	(315,495)
Payments for repurchases of ordinary shares	(322,040)	(509,800)	(400,400)
Proceeds from exercise of stock options	22,257	23,055	23,299
Other financing activities, net	101,851
Net cash used in financing activities	(339,578)	(522,162)	(641,696)
Effect of exchange rates on cash	(9,895)	(30,884)	18,508
Net change in cash and cash equivalents	68,758	(230,142)	(179,085)
Cash and cash equivalents, beginning of year	1,518,329	1,748,471	1,927,556
Cash and cash equivalents, end of year	$ 1,587,087	$ 1,518,329	$ 1,748,471