XML 67 R57.htm IDEA: XBRL DOCUMENT v3.20.2
Note 11 - Stockholders' Equity - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Net income $ 185.8 $ 32.9 $ 536.5 $ 317.7
Weighted-average shares outstanding:        
Weighted average number of common shares used in basic EPS (in shares) 162,502,191 163,580,563 162,589,473 163,617,580
Effect of dilutive shares:        
Potential common shares issuable from stock options and stock awards (in shares) 3,229,035 3,199,055 2,930,426 3,056,366
Weighted average number of common shares and dilutive potential common shares used in diluted EPS (in shares) 165,731,226 166,779,618 165,519,899 166,673,946