Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Computation of basic and diluted net income per common share

he following table shows the computation of our basic and diluted net income per common share (in millions, except per share amounts):

	Three Months Ended September 30				Nine Months Ended September 30
	2014		2013		2014		2013
Numerator:
Net income	$	51.3	$	53.8	$	146.5	$	116.0
Denominator:
Weighted average shares outstanding - basic	44.4		46.2		45.3		46.5
Effect of dilutive securities:
Equity compensation plans	0.8		0.6		0.8		0.7
Convertible preferred stock	—		*		—		*
Weighted average shares outstanding - diluted	45.2		46.8		46.1		47.2
Basic earnings per share	$	1.16	$	1.16	$	3.24	$	2.49
Diluted earnings per share	$	1.14	$	1.15	$	3.18	$	2.45

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* Antidilutive.