EARNINGS (LOSS) PER SHARE AND SHARE REPURCHASES (Narrative) (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 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			16.9	14.2
Antidilutive securities excluded from computation of earnings per share, amount (in shares)	18.4	15.0
Converted Series C Convertible Preferred Stock (in shares)	87.1	87.1	87.1	87.1
Stock repurchased during the period, shares			1.5	1.3
Stock repurchased during the period, value			$ 6.6	$ 5.3