Shares used to calculate earnings per share

9 Months Ended

Sep. 30, 2011

Weighted Average Number of Shares Outstanding Reconciliation [Abstract]

Shares used to calculate earnings per share

Note 3 – Shares used to calculate earnings per share

Shares used to calculate earnings per share were as follows:

		Three Months		Nine Months
		Ended September 30,		Ended September 30,
(In millions)		2011	2010	2011	2010
Weighted-average shares:
	Basic (a)	48.0	47.8	47.8	48.4
	Effect of dilutive stock options and awards	0.1	0.1	0.3	0.3
	Diluted	48.1	47.9	48.1	48.7
Antidilutive stock options and awards excluded from denominator		2.7	2.7	2.2	2.6

(a)              We have deferred compensation plans for directors and certain of our employees. Amounts owed to participants are denominated in common stock units. Each unit represents one share of common stock. The number of shares used to calculate basic earnings per share includes the weighted-average units credited to employees and directors under the deferred compensation plans. Accordingly, included in basic shares are weighted-average units of 1.2millionin the three months and1.1millionin nine months endedSeptember 30,2011, and 1.0million in the three months and 0.9 million in nine months endedSeptember 30, 2010.