Net Income per Common Share (Tables)

6 Months Ended

Jun. 30, 2011

Net Income per Common Share

Summary of earnings per share basic and diluted

	Quarter Ended June 30,				Six Months Ended June 30,
(In millions, except per share data)	2011		2010		2011		2010
Basic net income per common share:
Net income	$	37.4	$	23.1	$	63.8	$	38.9
Weighted average common shares outstanding	98.6		97.5		98.4		97.4
Basic net income per common share	$	0.38	$	0.24	$	0.65	$	0.40
Diluted net income per common share:
Net income	$	37.4	$	23.1	$	63.8	$	38.9
Weighted average common shares outstanding — Basic	98.6		97.5		98.4		97.4
Plus incremental shares from assumed conversions:
Restricted stock units	0.7		0.9		0.8		1.0
Stock options	1.4		1.3		1.3		1.2
Weighted average common shares outstanding — Dilutive	100.7		99.7		100.5		99.6
Diluted net income per common share	$	0.37	$	0.23	$	0.63	$	0.39