Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2022

Earnings Per Share [Abstract]

Computations of basic and diluted loss per share for loss from continuing operations

The computations of basic and diluted earnings per share were as follows (in millions, except per share data):

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2022		2021		2022		2021
Net income	$	141.9	$	126.3	$	402.7	$	380.4
Exclude: Income from discontinued operations	—		—		—		0.1
Income from continuing operations	$	141.9	$	126.3	$	402.7	$	380.5
Weighted-average shares outstanding – basic	35.4		36.8		35.8		37.4
Add: Potential effect of dilutive securities attributable to stock-based payments	0.1		0.2		0.1		0.3
Weighted-average shares outstanding – diluted	35.5		37.0		35.9		37.7
Earnings per share – Basic:
Income from continuing operations	$	4.00	$	3.43	$	11.25	$	10.17
Income from discontinued operations	—		—		—		—
Net income	$	4.00	$	3.43	$	11.25	$	10.17
Earnings per share – Diluted:
Income from continuing operations	$	3.99	$	3.41	$	11.22	$	10.10
Income from discontinued operations	—		—		—		—
Net income	$	3.99	$	3.41	$	11.22	$	10.10

Stock appreciation rights were outstanding, but not included in the diluted loss per share calculation

The following stock appreciation rights and restricted stock units were outstanding but not included in the diluted earnings per share calculation because the assumed exercise of such rights would have been anti-dilutive (in millions, except for per share data):

	For the Three Months Ended September 30,		For the Nine Months Ended September 30,
	2022	2021	2022	2021
Weighted-average number of shares	0.3	—	0.3	—