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STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION (Deferred Stock) (Details) - Deferred Stock Awards [Member] - shares
shares in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2017
Sep. 30, 2017
Nonvested at Jan 1, 2017 6,382 6,382
Granted 1,600 1,702
Vested   (2,180)
Canceled   (124)
Conversion of performance deferred stock awards at Conversion Date   8,171
Nonvested at Sept 30, 2017   13,951