Net Income per Common Share (Tables)

3 Months Ended

Mar. 31, 2012

Net Income per Common Share

Summary of earnings per share basic and diluted

	Quarter Ended March 31,
(In millions, except per share data)	2012		2011
Basic net income per common share:
Net income	$	39.6	$	26.4
Weighted average common shares outstanding	99.8		98.2
Basic net income per common share	$	0.40	$	0.27
Diluted net income per common share:
Weighted average common shares outstanding — Basic	99.8		98.2
Plus incremental shares from assumed conversions:
Restricted stock units	0.7		0.8
Stock options	1.2		1.4
Weighted average common shares outstanding — Dilutive	101.7		100.4
Diluted net income per common share	$	0.39	$	0.26