POSTRETIREMENT BENEFITS (Details 6) (Other Postretirement Benefit Plans, Defined Benefit, USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Other Postretirement Benefit Plans, Defined Benefit
One-Percentage Point Increase [Abstract]
Effect of one percentage point increase on total of service and interest costs	$ 0.2
Effect of one percentage point increase on postretirement benefit obligation	3.8
One-Percentage Point Decrease [Abstract]
Effect of one percentage point decrease on total of service and interest costs	(0.2)
Effect of one percentage point decrease on postretirement benefit obligation	$ (3.2)

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- Definition

Amount of effect of a one-percentage-point decrease in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (m)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

+ Details

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- Definition

Amount of effect of a one-percentage-point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs.

+ References

+ Details

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- Definition

The effect of a one-percentage-point increase in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits.

+ References

+ Details

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- Definition

The effect of a one-percentage-point increase in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs.

+ References

+ Details

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