FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES (Details 3) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Carrying Amount
Other financial instruments
Fair Value	$ 2,062,840	$ 2,184,095
Carrying Amount | Level 1 | Term loan dated October 1, 2007
Other financial instruments
Fair Value	170,340	1,179,595
Carrying Amount | Level 1 | Term loan dated October 19, 2011
Other financial instruments
Fair Value	517,500	487,500
Carrying Amount | Level 1 | 4.625% Notes due February 2020
Other financial instruments
Fair Value	500,000
Carrying Amount | Level 1 | 5.000% Notes due February 2023
Other financial instruments
Fair Value	500,000
Carrying Amount | Level 2 | Revolving Credit Facility [Member]
Other financial instruments
Fair Value		140,000
Carrying Amount | Level 2 | Asia Term Loans
Other financial instruments
Fair Value	375,000	377,000
Fair Value
Other financial instruments
Fair Value	2,071,823	2,168,978
Fair Value | Level 1 | Term loan dated October 1, 2007
Other financial instruments
Fair Value	170,496	1,171,959
Fair Value | Level 1 | Term loan dated October 19, 2011
Other financial instruments
Fair Value	518,794	482,625
Fair Value | Level 1 | 4.625% Notes due February 2020
Other financial instruments
Fair Value	507,190
Fair Value | Level 1 | 5.000% Notes due February 2023
Other financial instruments
Fair Value	500,000
Fair Value | Level 2 | Revolving Credit Facility [Member]
Other financial instruments
Fair Value		140,000
Fair Value | Level 2 | Asia Term Loans
Other financial instruments
Fair Value	$ 375,343	$ 374,394