Annual report pursuant to Section 13 and 15(d)

EQUITY (Antidilutive Securities Excluded from Computation of Earnings per Share) (Details)

v3.3.1.900
EQUITY (Antidilutive Securities Excluded from Computation of Earnings per Share) (Details) - shares
shares in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Number of anti-dilutive potentially issuable shares excluded from diluted common shares outstanding 25,100 26,100 26,943
Options to purchase shares of common stock [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Number of anti-dilutive potentially issuable shares excluded from diluted common shares outstanding 16,309 16,999 16,628
Restricted stock awards - unvested [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Number of anti-dilutive potentially issuable shares excluded from diluted common shares outstanding 861 1,171 2,210
Conversion shares related to convertible senior notes [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Number of anti-dilutive potentially issuable shares excluded from diluted common shares outstanding 7,930 7,930 8,105