Earnings per Share and Stock Repurchase Program (Tables)

12 Months Ended

Dec. 31, 2022

Earnings per Share and Stock Repurchase Program

Summary of reconciliation of the calculation of earnings per share

	Year Ended December 31,
	2022					2021					2020
				Per					Per					Per
	Net			Share		Net			Share		Net			Share
	Income		Shares	Amount		Income		Shares	Amount		Income		Shares	Amount
	(Amounts in millions, except per share information)
Basic EPS	$	251.5	33.5	$	7.51	$	165.7	33.8	$	4.90	$	114.3	33.9	$	3.37
Dilutive securities, principally common stock options		—	0.1		(0.03)		—	0.1		(0.02)		—	0.1		(0.01)
Diluted EPS	$	251.5	33.6	$	7.48	$	165.7	33.9	$	4.88	$	114.3	34.0	$	3.36