CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 365,594	$ 277,051	$ 488,765
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and other impairment charges	464,543	566,357	521,923
Provision for doubtful accounts	2,029	6,643	30,330
Non-cash other income	(20,753)	(52,408)	(33,563)
Stock-based compensation	40,439	34,529	48,454
Deferred income taxes and other non-cash income taxes	(36,261)	(32,647)	(1,022)
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(592,346)	519,140	(30,249)
Inventories	(758,846)	596,131	301,053
Other current and noncurrent assets	(165,760)	61,567	29,683
Accounts payable	1,117,449	(671,424)	(750,169)
Other current and noncurrent liabilities	800,372	(189,509)	199,063
Net cash provided by operating activities	1,216,460	1,115,430	804,268
Cash flows from investing activities:
Purchases of property and equipment	(609,643)	(488,993)	(437,191)
Proceeds from the disposition of property and equipment	94,640	53,665	49,187
Acquisition of businesses, net of cash acquired	(238,031)	(184,097)	(92,257)
Proceeds from divestitures of operations, net	4,599	22,585	1,398
Other investing activities, net	(35,497)	(100,359)	(2,501)
Net cash provided by (used in) investing activities	(783,932)	(697,199)	(481,364)
Cash flows from financing activities:
Proceeds from bank borrowings and long-term debt	1,066,653	1,250,213	2,833,704
Repayments of bank borrowings and long-term debt and capital lease obligations	(537,580)	(391,859)	(2,389,121)
Payments for early retirement of long-term debt	(544,840)	(1,000,000)	(480,000)
Payments for repurchases of ordinary shares	(475,314)	(322,040)	(509,800)
Proceeds from exercise of stock options	28,140	22,257	23,055
Other financing activities, net	52,149	101,851
Net cash provided by (used in) financing activities	(410,792)	(339,578)	(522,162)
Effect of exchange rates on cash	(15,095)	(9,895)	(30,884)
Net change in cash and cash equivalents	6,641	68,758	(230,142)
Cash and cash equivalents, beginning of year	1,587,087	1,518,329	1,748,471
Cash and cash equivalents, end of year	$ 1,593,728	$ 1,587,087	$ 1,518,329