BANK BORROWINGS AND LONG-TERM DEBT (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2012 Revolving line of credit	Mar. 31, 2013 4.625% Notes due February 2020	Feb. 20, 2013 4.625% Notes due February 2020	Mar. 31, 2013 5.000% Notes due February 2023	Feb. 20, 2013 5.000% Notes due February 2023	Mar. 31, 2013 Term Loan, including current portion, due in October 2014	Mar. 31, 2012 Term Loan, including current portion, due in October 2014	Mar. 31, 2013 Agreement, Including Current Portion, Due In Installments Through October 2016	Mar. 31, 2012 Agreement, Including Current Portion, Due In Installments Through October 2016	Mar. 31, 2013 Asia Term Loan	Mar. 31, 2012 Asia Term Loan	Feb. 17, 2011 Asia Term Loan	Sep. 28, 2010 Asia Term Loan	Sep. 27, 2010 Asia Term Loan	Mar. 31, 2013 Other debt	Mar. 31, 2012 Other debt
Bank borrowings and long-term debt
Long-term debt including current portion				$ 500,000	$ 500,000	$ 500,000	$ 500,000	$ 170,340	$ 1,179,595	$ 517,500	$ 487,500	$ 375,000	$ 377,000	$ 200,000	$ 130,000	$ 50,000
Outstanding under revolving line of credit			140,000
Other																	4,787	4,578
Carrying Amount	2,067,627	2,188,673
Current portion	(416,654)	(39,340)
Non-current portion	$ 1,650,973	$ 2,149,333
Debt instrument interest rate (as a percent)				4.625%	4.625%	5.00%	5.00%
Weighted average interest rate (as a percent)	3.50%