10-K Earnings Per Share (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2023

Dec. 31, 2022

Earnings Per Share [Abstract]

Denominator for Basic and Diluted Earnings Per Share

The denominator for basic and diluted earnings per share for the three and nine months ended September 30, 2023 and 2022 is as follows:

	Three Months Ended   September 30		Nine Months Ended   September 30
	2023	2022	2023	2022
Denominator for basic earnings per share – weighted-average shares	235.3	239.6	236.4	240.5
Effect of dilutive securities – employee stock options, nonvested restricted stock awards and convertible debentures	1.2	2.6	1.6	2.8
Denominator for diluted earnings per share	236.5	242.2	238.0	243.3

The denominator for basic and diluted earnings per share at December 31, 2022, 2021 and 2020 is as follows:

	2022	2021	2020
Denominator for basic earnings per share—weighted-average shares	240.0	243.8	250.8
Effect of dilutive securities—employee stock options, non-vested restricted stock awards, convertible debentures and equity units	2.8	3.0	3.5
Denominator for diluted earnings per share	242.8	246.8	254.3