BANK BORROWINGS AND LONG TERM DEBT - Debt Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Mar. 31, 2016
Debt Instrument [Line Items]
Long-term debt	$ 2,883,327
Debt issuance costs	(16,487)	$ (17,351)
Total	2,866,840	2,774,555
Term Loan, including current portion, due in installments through March 2019
Debt Instrument [Line Items]
Long-term debt	525,000	547,500
4.625% Notes due February 2020
Debt Instrument [Line Items]
Long-term debt	$ 500,000	$ 500,000
Debt instrument interest rate (as a percent)	4.625%	4.625%
Term Loan, including current portion, due in installments through November 2021
Debt Instrument [Line Items]
Long-term debt	$ 700,000	$ 577,500
5.000% Notes due February 2023
Debt Instrument [Line Items]
Long-term debt	$ 500,000	$ 500,000
Debt instrument interest rate (as a percent)	5.00%	5.00%
4.750% Notes due June 2025
Debt Instrument [Line Items]
Long-term debt	$ 595,879	$ 595,589
Debt instrument interest rate (as a percent)	4.75%	4.75%
Other
Debt Instrument [Line Items]
Long-term debt	$ 62,448	$ 71,317

Long-term Debt, Net of Debt Issuance Costs

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- Definition

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

+ 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 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

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 FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ 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 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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