EARNINGS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2021

EARNINGS PER SHARE

Reconciliation of basic and diluted net income per common share

	Three Months Ended March 31,
	2021		2020
Basic earnings per share numerator:
Net income	$	137.2	$	157.4
Earnings allocated to participating securities		(0.4)		(0.4)
Net income allocated to common stockholders	$	136.8	$	157.0
Basic earnings per share denominator:
Weighted average shares outstanding		107.3		110.4
Basic earnings per share	$	1.27	$	1.42
Diluted earnings per share numerator:
Net income	$	137.2	$	157.4
Earnings allocated to participating securities		(0.4)		(0.4)
Net income allocated to common stockholders	$	136.8	$	157.0
Diluted earnings per share denominator:
Weighted average shares outstanding		107.3		110.4
Dilutive potential common shares outstanding		0.1		0.2
Total dilutive weighted average shares		107.4		110.6
Diluted earnings per share	$	1.27	$	1.42