BANK BORROWINGS AND LONG-TERM DEBT (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Bank borrowings and long-term debt
Carrying Amount	$ 2,083,733us-gaap_LongTermDebt	$ 2,102,595us-gaap_LongTermDebt
Current portion	(46,162)us-gaap_LongTermDebtCurrent	(32,575)us-gaap_LongTermDebtCurrent
Non-current portion	2,037,571us-gaap_LongTermDebtNoncurrent	2,070,020us-gaap_LongTermDebtNoncurrent
Weighted average interest rate (as a percent)	3.20%	3.20%
Term Loan, including current portion, due in installments through August 2018
Bank borrowings and long-term debt
Carrying Amount	592,500	600,000
Term Loan, including current portion, due in installments through March 2019
Bank borrowings and long-term debt
Carrying Amount	475,000	500,000
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%
Other
Bank borrowings and long-term debt
Carrying Amount	$ 16,233	$ 2,595

Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19,20)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Weighted average interest rate of long-term debt outstanding.

+ References

No definition available.

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