XML 44 R33.htm IDEA: XBRL DOCUMENT v3.10.0.1
Earnings Per Share (Stock Options and Performance Shares Excluded From Common Equivalent Shares) (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Employee Stock Option [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 227 87 349 296
Stock Compensation Plan [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 276 307 256 293