Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table presents the calculation of our basic and diluted EPS:

Year Ended December 31, (in millions, except per share amounts)	2023		2022		2021
Numerator:
Net Income Available to Common Shareholders	$	661.7	$	749.0	$	529.8
Less: Income allocated to participating securities	0.6		—		—
Net Income Available to Common Shareholders - Basic	$	661.1	$	749.0	$	529.8
Add: Dilutive effect of Equity Units	1.4		2.0		1.6
Net Income Available to Common Shareholders - Diluted	$	662.5	$	751.0	$	531.4
Denominator:
Average common shares outstanding - Basic	416.1		407.1		393.6
Dilutive potential common shares:
Equity Units purchase contracts	29.8		30.2		22.0
Equity Units purchase contract payment balance	0.9		3.2		—
Shares contingently issuable under employee stock plans	0.7		0.9		0.8
Shares restricted under employee stock plans	0.4		0.5		0.3
ATM Forward agreements	—		0.8		0.6
Average Common Shares - Diluted	447.9		442.7		417.3
Earnings per common share:
Basic	$	1.59	$	1.84	$	1.35
Diluted	$	1.48	$	1.70	$	1.27