CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 304,059	$ 364,032
Depreciation, amortization and other impairment charges	430,238	379,980
Changes in working capital and other	271,760	(78,428)
Net cash provided by operating activities	1,006,057	665,584
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(377,901)	(375,677)
Proceeds from the disposition of property and equipment	49,819	45,919
Acquisition of businesses, net of cash acquired	(183,896)	(93,679)
Proceeds from divestiture of business, net of cash held in divested business	22,585
Other investing activities, net	(93,633)	468
Net cash used in investing activities	(583,026)	(422,969)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from bank borrowings and long-term debt	171,673	2,591,507
Repayments of bank borrowings, long-term debt and capital lease obligations	(290,230)	(2,134,948)
Payments for repurchase of long-term debt		(480,000)
Payments for repurchase of ordinary shares	(208,208)	(395,604)
Net proceeds from issuance of ordinary shares	14,632	10,523
Other financing activities, net	85,590
Net cash used in financing activities	(226,543)	(408,522)
Effect of exchange rates on cash and cash equivalents	(8,704)	(36,799)
Net increase (decrease) in cash and cash equivalents	187,784	(202,706)
Cash and cash equivalents, beginning of period	1,518,329	1,748,471
Cash and cash equivalents, end of period	$ 1,706,113	$ 1,545,765