Earnings Per Share and Shareholders' Equity Transactions (Tables)

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Information Regarding Basic and Diluted Earnings Per Share

The following table provides weighted average share information used in the calculation of the Company’s basic and diluted earnings per share:

DECEMBER 31	2023			2022			2021
(in millions, except per share data)
Basic shares used in the calculation of earnings per share		35.7			35.6			35.9
Dilutive effect of securities:
Employee stock options		0.1			0.2			0.3
Non-vested stock grants		0.3			0.3			0.2
Diluted shares used in the calculation of earnings per share		36.1			36.1			36.4
Per share effect of dilutive securities on income from    continuing operations and net income	$	(0.01	)	$	(0.05	)	$	(0.18	)