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STOCK COMPENSATION PLANS (Narrative) (Details) - shares shares in Millions | 3 Months Ended
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Jun. 30, 2017 | Mar. 31, 2017
Restricted Stock Units (RSUs) [Member] | A&R 2015 Equity Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of restricted shares granted | 0.5 |
Restricted Stock Units (RSUs) [Member] | 2015 Equity Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of restricted shares granted |  | 0.6
Performance Shares [Member] | A&R 2015 Equity Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of restricted shares granted | 0.2 |
Performance Shares [Member] | 2015 Equity Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of restricted shares granted |  | 0.6
2017 to 2019 Performance Period [Member] | Minimum [Member] | 2015 Equity Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share Based Goods And Nonemployee Services Transaction Valuation Method Payout Rate | 0.00% |
2017 to 2019 Performance Period [Member] | Maximum [Member] | 2015 Equity Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share Based Goods And Nonemployee Services Transaction Valuation Method Payout Rate | 200.00% |

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- Definition Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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