Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Exercise price range) (Details)

v3.3.1.900
STOCK-BASED COMPENSATION (Exercise price range) (Details)
shares in Thousands
 12 Months Ended
Dec. 31, 2015
$ / shares
shares
$2.75-$4.99 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Lower range limit (in dollars per share) $ 2.75
Upper range limit (in dollars per share) $ 4.99
Outstanding (in shares) | shares 2,269
Outstanding, weighted average remaining contractual life (in years) 3 years 2 months
Outstanding, weighted average exercise price (in dollars per share) $ 2.86
Exercisable (in shares) | shares 2,269
Exercisable, weighted average remaining contractual life (in years) 3 years 2 months
Exercisable, weighted average exercise price (in dollars per share) $ 2.86
$5.00-$9.99 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Lower range limit (in dollars per share) 5.00
Upper range limit (in dollars per share) $ 9.99
Outstanding (in shares) | shares 4,933
Outstanding, weighted average remaining contractual life (in years) 6 years 8 months
Outstanding, weighted average exercise price (in dollars per share) $ 8.81
Exercisable (in shares) | shares 3,060
Exercisable, weighted average remaining contractual life (in years) 6 years 8 months
Exercisable, weighted average exercise price (in dollars per share) $ 8.82
$10.00-$14.99 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Lower range limit (in dollars per share) 10.00
Upper range limit (in dollars per share) $ 14.99
Outstanding (in shares) | shares 3,222
Outstanding, weighted average remaining contractual life (in years) 5 years 1 month
Outstanding, weighted average exercise price (in dollars per share) $ 11.42
Exercisable (in shares) | shares 3,222
Exercisable, weighted average remaining contractual life (in years) 5 years 1 month
Exercisable, weighted average exercise price (in dollars per share) $ 11.42
$15.00-$19.99 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Lower range limit (in dollars per share) 15.00
Upper range limit (in dollars per share) $ 19.99
Outstanding (in shares) | shares 675
Outstanding, weighted average remaining contractual life (in years) 3 years 9 months
Outstanding, weighted average exercise price (in dollars per share) $ 18.52
Exercisable (in shares) | shares 569
Exercisable, weighted average remaining contractual life (in years) 3 years 1 month
Exercisable, weighted average exercise price (in dollars per share) $ 18.52
$20.00-$24.99 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Lower range limit (in dollars per share) 20.00
Upper range limit (in dollars per share) $ 24.99
Outstanding (in shares) | shares 3,623
Outstanding, weighted average remaining contractual life (in years) 5 years 6 months
Outstanding, weighted average exercise price (in dollars per share) $ 22.45
Exercisable (in shares) | shares 2,057
Exercisable, weighted average remaining contractual life (in years) 3 years 7 months
Exercisable, weighted average exercise price (in dollars per share) $ 23.42
$25.00-$29.99 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Lower range limit (in dollars per share) 25.00
Upper range limit (in dollars per share) $ 29.99
Outstanding (in shares) | shares 1,587
Outstanding, weighted average remaining contractual life (in years) 9 years 1 month
Outstanding, weighted average exercise price (in dollars per share) $ 25.35