DEBT (Senior Notes) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Aug. 23, 2012
Debt Instrument [Line Items]
Senior notes, noncurrent		$ 1,000.0
Senior notes due 2022 [Member]
Debt Instrument [Line Items]
Senior notes, noncurrent		500.0
Stated interest rate percentage	3.75%	3.75%
Senior notes due 2017 [Member]
Debt Instrument [Line Items]
Senior notes, noncurrent		500.0
Stated interest rate percentage	2.20%	2.20%
Proceeds used to repay revolving credit facility [Member]
Debt Instrument [Line Items]
Senior notes, noncurrent		$ 625.0

Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

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)

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Name:	us-gaap_SeniorLongTermNotes
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant