FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Mar. 31, 2012
Carrying Amount
Other financial instruments
Fair Value	$ 2,063,340	$ 2,184,095
Carrying Amount | Level 1 | Term loan dated October 1, 2007
Other financial instruments
Fair Value	1,170,340	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 2 | Asia Term Loans
Other financial instruments
Fair Value	375,500	377,000
Carrying Amount | Level 2 | Revolving line of credit
Other financial instruments
Fair Value		140,000
Fair Value
Other financial instruments
Fair Value	2,078,807	2,168,978
Fair Value | Level 1 | Term loan dated October 1, 2007
Other financial instruments
Fair Value	1,180,580	1,171,959
Fair Value | Level 1 | Term loan dated October 19, 2011
Other financial instruments
Fair Value	519,441	482,625
Fair Value | Level 2 | Asia Term Loans
Other financial instruments
Fair Value	378,786	374,394
Fair Value | Level 2 | Revolving line of credit
Other financial instruments
Fair Value		$ 140,000