Earnings Per Share and Shareholders' Equity Transactions (Tables)

12 Months Ended

Dec. 31, 2022

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	2022			2021			2020
(in millions, except per share data)
Basic shares used in the calculation of earnings per share		35.6			35.9			37.7
Dilutive effect of securities:
Employee stock options		0.2			0.3			0.2
Non-vested stock grants		0.3			0.2			0.2
Diluted shares used in the calculation of earnings per share		36.1			36.4			38.1
Per share effect of dilutive securities on income from    continuing operations	$	(0.05	)	$	(0.18	)	$	(0.11	)
Per share effect of dilutive securities on net income	$	(0.05	)	$	(0.18	)	$	(0.10	)