STOCK-BASED COMPENSATION Performance Awards (Details) - USD ($) shares in Millions	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
3 year performance cycle, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
TSR Performance Relative to the Peer Group (1%Best)		27.00%
Payout as a Percent of the Base Award		165.40%
Number of Shares Distributed		0.4
Cash Portion		$ 8.5
3 year performance cycle, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
TSR Performance Relative to the Peer Group (1%Best)	10.00%
Payout as a Percent of the Base Award	175.00%
Number of Shares Distributed	0.4
Cash Portion	$ 9.8
2 year performance cycle, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares Distributed		0.2
Cash Portion		$ 6.7
Two year Performance Cycle Payout As A Percent Of The Base Award		224.70%
2 year performance cycle, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares Distributed	0.1
Cash Portion	$ 0.8
Two year Performance Cycle Payout As A Percent Of The Base Award	36.00%

Three year performance cycle Payout as a percent of the base award.

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- Definition

Three year performance cycle total shareholder return performance relative to the peer group one percent equal to best.

+ References

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Two year Performance Cycle Payout As A Percent Of The Base Award

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- Definition

Amount of cash paid related to share-based compensation liabilities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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

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