BANK BORROWINGS AND LONG-TERM DEBT (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Mar. 31, 2013
Bank borrowings and long-term debt
Carrying Amount	$ 2,102,595	$ 2,067,627
Current portion	(32,575)	(416,654)
Non-current portion	2,070,020	1,650,973
Weighted average interest rate (as a percent)	3.20%	3.50%
Term Loan, including current portion, due October 2014
Bank borrowings and long-term debt
Carrying Amount		170,340
Term Loan, including current portion, due in installments through August 2018
Bank borrowings and long-term debt
Carrying Amount	600,000
Term Loan, including current portion, due in installments through March 2019
Bank borrowings and long-term debt
Carrying Amount	500,000	517,500
4.625% Notes due February 2020
Bank borrowings and long-term debt
Carrying Amount	500,000	500,000
Debt instrument interest rate (as a percent)	4.625%
5.000% Notes due February 2023
Bank borrowings and long-term debt
Carrying Amount	500,000	500,000
Debt instrument interest rate (as a percent)	5.00%
Asia Term Loans
Bank borrowings and long-term debt
Carrying Amount		375,000
Other debt
Bank borrowings and long-term debt
Carrying Amount	$ 2,595	$ 4,787