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CAPITAL STOCK AND STOCK AWARD PLANS - Summary of Stock Options Grants by Year of Grant (Details) | 12 Months Ended
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Dec. 31, 2016 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Options Granted, Net of Forfeitures (in shares) | 2,678,685
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares | $ 12.63
Unvested Options (in shares) | 2,392,979
2015 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Options Granted, Net of Forfeitures (in shares) | 1,428,531
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares | $ 12.66
Unvested Options (in shares) | 1,142,825
2016 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Options Granted, Net of Forfeitures (in shares) | 1,250,154,000
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares | $ 12,600.00
Unvested Options (in shares) | 1,250,154,000
Performance Shares |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Options Granted, Net of Forfeitures (in shares) | 3,852,379
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares | $ 13.00
Unvested Options (in shares) | 2,012,972
Performance Shares | 2012 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Options Granted, Net of Forfeitures (in shares) | 1,149,441
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares | $ 13.15
Unvested Options (in shares) | 666,676
Performance Shares | 2013 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Options Granted, Net of Forfeitures (in shares) | 1,425,529
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares | $ 11.83
Unvested Options (in shares) | 541,701
Performance Shares | 2014 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Options Granted, Net of Forfeitures (in shares) | 1,277,409
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares | $ 14.17
Unvested Options (in shares) | 804,595

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- Definition Net number of share options (or share units) granted during the 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)(1)(iv)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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