Annual report pursuant to Section 13 and 15(d)

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

v3.6.0.2
EQUITY (Antidilutive Securities Excluded from Computation of Earnings per Share) (Details) - shares
shares in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Number of anti-dilutive potentially issuable shares excluded from diluted common shares outstanding 25,293 25,100 26,100
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 16,283 16,309 16,999
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 1,080 861 1,171
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 7,930