Net Income per Common Share (Tables)

9 Months Ended

Sep. 30, 2013

Net Income per Common Share

Summary of earnings per share basic and diluted

	Quarter Ended September 30,				Nine Months Ended September 30,
(In millions, except per share data)	2013		2012		2013		2012
Basic net income per common share:
Net income	$	48.7	$	39.8	$	140.8	$	127.4
Weighted average common shares outstanding	99.7		100.3		100.0		100.1
Basic net income per common share	$	0.49	$	0.40	$	1.41	$	1.27
Diluted net income per common share:
Net income	$	48.7	$	39.8	$	140.8	$	127.4
Weighted average common shares outstanding — Basic	99.7		100.3		100.0		100.1
Plus incremental shares from assumed conversions:
Restricted stock units	0.7		0.7		0.7		0.8
Stock options	1.3		1.1		1.4		1.1
Weighted average common shares outstanding — Dilutive	101.7		102.1		102.1		102.0
Diluted net income per common share	$	0.48	$	0.39	$	1.38	$	1.25