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FAIR VALUE MEASUREMENTS (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Carrying Reported Amount Fair Value Disclosure [Member]
Fair value of financial instruments
Cash and cash equivalents	$ 223.7	$ 114.5
Accounts and notes receivable	196.7	182.3
Fixed rate debt	379.9	286.1
Estimate Of Fair Value Fair Value Disclosure [Member]
Fair value of financial instruments
Cash and cash equivalents	223.7	114.5
Accounts and notes receivable	196.7	182.3
Fixed rate debt	398.8	292.7
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value Inputs Level1 [Member]
Fair value of financial instruments
Cash and cash equivalents	223.7	114.5
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value Inputs Level2 [Member]
Fair value of financial instruments
Accounts and notes receivable	196.7	182.3
Fixed rate debt	$ 398.8	$ 292.7

X

- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash

-URI http://asc.fasb.org/extlink&oid=6506951



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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash Equivalents

-URI http://asc.fasb.org/extlink&oid=6507016

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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X

- Definition

The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

No definition available.

+ Details

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

X

- Definition

Fair value portion of receivables, including, but not limited to, trade account receivables, note receivables, and loan receivables.

+ 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 210.5-02.3)

-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 3, 4

-Article 5

+ Details

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