Earnings per share (Tables)

6 Months Ended

Jun. 30, 2015

Weighted Average Shares Used in Earnings Per Share Calculation

Actual weighted average shares used in calculating earnings per share were:

(In millions)	Three months ended				Six months ended
	June 30, 2015		June 30, 2014		June 30, 2015		June 30, 2014
Weighted average shares basic		88.0		93.2		88.2		93.6
Effect of dilutive securities: - stock options/share awards		0.3		0.3		0.2		0.3
Weighted average shares diluted		88.3		93.5		88.4		93.9