XML 88 R68.htm IDEA: XBRL DOCUMENT v3.19.2
EARNINGS PER SHARE (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Earning per share          
Authorized common stock (in shares) 199,000   199,000   199,000
Common stock, par value (in dollars per share) $ 0.01 $ 0.01 $ 0.01 $ 0.01 $ 0.01
Income (Numerator)          
Income available to common stockholders, basic (in dollars) $ 73,915 $ 55,775 $ 136,919 $ 115,075  
Income available to common stockholders, diluted (in dollars) $ 73,915 $ 55,775 $ 136,919 $ 115,075  
Shares (Denominator)          
Basic (in shares) 63,471 62,402 63,219 62,266  
Total average equivalent shares 66,232 64,850 65,842 64,640  
Per Share Amount          
Net income per share, basic (in dollars per share) $ 1.16 $ 0.89 $ 2.17 $ 1.85  
Net income per share, diluted (in dollars per share) $ 1.12 $ 0.86 $ 2.08 $ 1.78  
Stock options          
Shares (Denominator)          
Effect of dilutive stock based compensation (in shares) 2,533 2,358 2,411 2,293  
Restricted stock units          
Shares (Denominator)          
Effect of dilutive stock based compensation (in shares) 228 90 212 81