SUPPLEMENTAL GUARANTOR AND NON-GUARANTOR CONDENSED CONSOLIDATING FINANCIAL STATEMENTS (Details 5) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Net cash provided by (used in) operating activities	$ 1,118,307	$ 1,006,057
Cash flows from investing activities:
Purchases of property and equipment, net of proceeds from disposal	(461,153)	328,082
Acquisition of businesses, net of cash acquired	(238,031)	(183,896)
Proceeds from divestiture of business, net of cash held in divested business	4,599	22,585
Other investing activities, net	(12,067)	(93,633)
Net cash provided by (used in) investing activities	(706,652)	(583,026)
Cash flows from financing activities:
Proceeds from bank borrowings and long-term debt	1,003,294	171,673
Repayments of bank borrowings, long-term debt and capital lease obligations	(518,549)	(290,230)
Payments for early retirement of long-term debt	(544,840)
Payments for repurchases of ordinary shares	(362,693)	(208,208)
Net proceeds from issuance of ordinary shares	21,106	14,632
Other financing activities, net	46,298	85,590
Net cash provided by (used in) financing activities	(355,384)	(226,543)
Effect of exchange rates on cash and cash equivalents	(26,113)	(8,704)
Net increase in cash and cash equivalents	30,158	187,784
Cash and cash equivalents, beginning of period	1,587,087	1,518,329
Cash and cash equivalents, end of period	1,617,245	1,706,113
Parent
Net cash provided by (used in) operating activities	477,036	546,758
Cash flows from investing activities:
Investing cash flows from (to) affiliates	(306,254)	(244,256)
Net cash provided by (used in) investing activities	(306,254)	(244,256)
Cash flows from financing activities:
Proceeds from bank borrowings and long-term debt	1,003,000	160,001
Repayments of bank borrowings, long-term debt and capital lease obligations	(489,365)	(278,632)
Payments for early retirement of long-term debt	(503,423)	(208,208)
Payments for repurchases of ordinary shares	(362,693)
Net proceeds from issuance of ordinary shares	21,106	14,632
Financing cash flows from (to) affiliates	(29,135)	122,739
Net cash provided by (used in) financing activities	(360,510)	(189,468)
Effect of exchange rates on cash and cash equivalents	53,341	(110)
Net increase in cash and cash equivalents	(136,387)	112,924
Cash and cash equivalents, beginning of period	740,515	649,252
Cash and cash equivalents, end of period	604,128	762,176
Guarantor Subsidiaries
Net cash provided by (used in) operating activities	(944,464)	186,359
Cash flows from investing activities:
Purchases of property and equipment, net of proceeds from disposal	(168,525)	(68,797)
Acquisition of businesses, net of cash acquired	(2,949)
Investing cash flows from (to) affiliates	(308,144)	(99,604)
Other investing activities, net	(832)	6,413
Net cash provided by (used in) investing activities	(480,450)	(161,988)
Cash flows from financing activities:
Proceeds from bank borrowings and long-term debt	277	151
Repayments of bank borrowings, long-term debt and capital lease obligations	(1,068)	(3,461)
Payments for early retirement of long-term debt	(41,417)
Financing cash flows from (to) affiliates	1,427,288	82,403
Net cash provided by (used in) financing activities	1,385,080	79,093
Effect of exchange rates on cash and cash equivalents	2,896	2,164
Net increase in cash and cash equivalents	(36,938)	105,628
Cash and cash equivalents, beginning of period	82,900	47,865
Cash and cash equivalents, end of period	45,962	153,493
Non-Guarantor Subsidiaries
Net cash provided by (used in) operating activities	1,585,742	272,922
Cash flows from investing activities:
Purchases of property and equipment, net of proceeds from disposal	(292,628)	(259,079)
Acquisition of businesses, net of cash acquired	(235,082)	(183,896)
Proceeds from divestiture of business, net of cash held in divested business	4,599	22,585
Investing cash flows from (to) affiliates	(3,506,916)	1,113,580
Other investing activities, net	(11,235)	(100,046)
Net cash provided by (used in) investing activities	(4,041,262)	593,144
Cash flows from financing activities:
Proceeds from bank borrowings and long-term debt	17	11,521
Repayments of bank borrowings, long-term debt and capital lease obligations	(28,116)	(8,137)
Financing cash flows from (to) affiliates	2,723,154	(975,050)
Other financing activities, net	46,298	85,590
Net cash provided by (used in) financing activities	2,741,353	(886,076)
Effect of exchange rates on cash and cash equivalents	(82,350)	(10,758)
Net increase in cash and cash equivalents	203,483	(30,768)
Cash and cash equivalents, beginning of period	763,672	821,212
Cash and cash equivalents, end of period	967,155	790,444
Eliminations
Net cash provided by (used in) operating activities	(7)	18
Cash flows from investing activities:
Purchases of property and equipment, net of proceeds from disposal		(206)
Investing cash flows from (to) affiliates	4,121,314	(769,720)
Net cash provided by (used in) investing activities	4,121,314	(769,926)
Cash flows from financing activities:
Financing cash flows from (to) affiliates	(4,121,307)	769,908
Net cash provided by (used in) financing activities	$ (4,121,307)	$ 769,908