Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

Computations of Weighted Average Shares Outstanding

The computations of the weighted average shares outstanding for the three and six months ended June 30, 2012 and 2011 are as follows:

	Three months ended June  30,				Six months ended June  30,
(in millions)	2012		2011		2012		2011
Weighted average shares outstanding:
Basic		76.5		88.6		80.7		88.8
Dilutive share-based awards		0.4		0.5		0.5		0.5
Diluted		76.9		89.1		81.2		89.3