EARNINGS (LOSS) PER SHARE AND SHARE REPURCHASES (Narrative) (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Earnings Per Share Reconciliation [Abstract]
Stock Options Excluded from Computation of Earnings Per Share Due to Net Loss, Including Options With Higher Exercise Prices than Average Market Price	18.1		16.1	13.8
Antidilutive securities excluded from computation of earnings per share, amount (in shares)		15.2
Converted Series C Convertible Preferred Stock (in shares)	87.1	87.1	87.1	87.1
Stock repurchased during the period, shares			1.5	0.9
Stock repurchased during the period, value			$ 6.4	$ 3.7