XML 42 R26.htm IDEA: XBRL DOCUMENT v3.21.2
Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2021
Earnings Per Share [Abstract]  
Schedule of Weighted Average Number of Shares
A reconciliation of basic weighted-average shares outstanding to diluted weighted-average shares outstanding is as follows:
Three Months Ended September 30,Nine Months Ended September 30,
2021202020212020
Basic weighted-average shares outstanding137.3142.7139.5142.6 
Effect of dilutive securities(1)
2.12.11.92.1 
Diluted weighted-average shares outstanding(2)
139.4144.8141.4144.7 
(1)The dilutive effect of outstanding stock options, restricted stock units, performance share units and Coworker Stock Purchase Plan units is reflected in the diluted weighted-average shares outstanding using the treasury stock method.
(2)There were fewer than 0.1 million potential common shares excluded from diluted weighted-average shares outstanding for both the three and nine months ended September 30, 2021 and 2020 as their inclusion would have had an anti-dilutive effect.