Net Income Per Common Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Calculations For Basic And Diluted Earnings Per Share

The table shows calculations for basic and diluted earnings per share:

(In millions except per share data)	Three months ended March 31,
	2015		2014
Numerator:
Net income—basic and diluted	$	128	$	91
Denominator:
Basic weighted-average common shares outstanding	164.0		163.4
Effect of stock-based awards:
Stock options	1.0		1.0
Nonvested shares	0.6		0.6
Diluted weighted-average shares	165.6		165.0
Earnings per share:
Basic	$	0.78	$	0.56
Diluted	0.77		0.55
Number of anti-dilutive share-based awards	0.7		0.7